| 100 | ( | 237107 10000 | − | x | ) | ÷ | ( | 237107 10000 | − | 113551 5000 | ) | = | 13 50 |
| Multiply both sides of the equation by: | ( | 237107 10000 | − | 113551 5000 | ) |
| 100 | ( | 237107 10000 | − | x | ) | = | 13 50 | ( | 237107 10000 | − | 113551 5000 | ) |
| 100 | × | 237107 10000 | − | 100 | x | = | 13 50 | ( | 237107 10000 | − | 113551 5000 | ) |
| 100 | × | 237107 10000 | − | 100 | x | = | 13 50 | × | 237107 10000 | − | 13 50 | × | 113551 5000 |
237107 100 | − | 100 | x | = | 3082391 500000 | − | 1476163 250000 |