102699 50 | = | 624 | × | 13 | × | 50 | X | ÷ | 9000 | ÷ | 1000 |
| 方程右边 = | 169 3750 | X |
102699 50 | = | 169 3750 | X |
| - | 169 3750 | X | = | - | 102699 50 |
102699 50 | = | 169 3750 | X |
169 3750 | X | = | 102699 50 |
| X | = | 102699 50 | ÷ | 169 3750 |
| = | 102699 50 | × | 3750 169 |
| = | 102699 | × | 75 169 |
| X | = | 7702425 169 |
| X | = | 45576.47929 |