| 15166 | = | ( | x | × | 2 5 | × | 70 | + | x | × | 3 5 | × | 30 | ) | × | 9 10 |
| 方程右边 = | x | × | 2 5 | × | 70 | × | 9 10 | + | x | × | 3 5 | × | 30 | × | 9 10 |
| = | x | × | 126 5 | + | x | × | 81 5 |
| = | 207 5 | x |
| 15166 | = | 207 5 | x |
| - | 207 5 | x | = | - | 15166 |
| 15166 | = | 207 5 | x |
207 5 | x | = | 15166 |
| x | = | 15166 | ÷ | 207 5 |
| = | 15166 | × | 5 207 |
| x | = | 75830 207 |
| x | = | 366.328502 |