Home / 165,535.28-228,433.92-93,921.92

Finding the Fourth Proportional to 165,535.28, 228,433.92 and 93,921.92

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Solution

The fourth proportional to 165,535.28, 228,433.92 and 93,921.92 is: 129,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,535.28 : 228,433.92 = 93,921.92 : x
  2. Step 2: Convert to fraction form
    165,535.28/228,433.92 = 93,921.92/x
  3. Step 3: Cross multiply
    165,535.28x = 228,433.92 × 93,921.92
  4. Step 4: Simplify right side
    165,535.28x = 21,454,952,359.53
  5. Step 5: Solve for x
    x = 21,454,952,359.53/165,535.28
  6. Step 6: Final answer
    x = 129,609.55

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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.