Home / 154,087.68-212,706.49-93,677.61

Finding the Fourth Proportional to 154,087.68, 212,706.49 and 93,677.61

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Solution

The fourth proportional to 154,087.68, 212,706.49 and 93,677.61 is: 129,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,087.68 : 212,706.49 = 93,677.61 : x
  2. Step 2: Convert to fraction form
    154,087.68/212,706.49 = 93,677.61/x
  3. Step 3: Cross multiply
    154,087.68x = 212,706.49 × 93,677.61
  4. Step 4: Simplify right side
    154,087.68x = 19,925,835,912.26
  5. Step 5: Solve for x
    x = 19,925,835,912.26/154,087.68
  6. Step 6: Final answer
    x = 129,314.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.