Home / 165,557.76-228,471.12-93,937.92

Finding the Fourth Proportional to 165,557.76, 228,471.12 and 93,937.92

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Solution

The fourth proportional to 165,557.76, 228,471.12 and 93,937.92 is: 129,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,557.76 : 228,471.12 = 93,937.92 : x
  2. Step 2: Convert to fraction form
    165,557.76/228,471.12 = 93,937.92/x
  3. Step 3: Cross multiply
    165,557.76x = 228,471.12 × 93,937.92
  4. Step 4: Simplify right side
    165,557.76x = 21,462,101,792.87
  5. Step 5: Solve for x
    x = 21,462,101,792.87/165,557.76
  6. Step 6: Final answer
    x = 129,635.13

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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.