Home / 157,500.31-217,355.50-88,601.71

Finding the Fourth Proportional to 157,500.31, 217,355.50 and 88,601.71

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Solution

The fourth proportional to 157,500.31, 217,355.50 and 88,601.71 is: 122,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,500.31 : 217,355.50 = 88,601.71 : x
  2. Step 2: Convert to fraction form
    157,500.31/217,355.50 = 88,601.71/x
  3. Step 3: Cross multiply
    157,500.31x = 217,355.50 × 88,601.71
  4. Step 4: Simplify right side
    157,500.31x = 19,258,068,341.50
  5. Step 5: Solve for x
    x = 19,258,068,341.50/157,500.31
  6. Step 6: Final answer
    x = 122,273.21

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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.