Home / 165,139.28-227,897.57-93,517.76

Finding the Fourth Proportional to 165,139.28, 227,897.57 and 93,517.76

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Solution

The fourth proportional to 165,139.28, 227,897.57 and 93,517.76 is: 129,057.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,139.28 : 227,897.57 = 93,517.76 : x
  2. Step 2: Convert to fraction form
    165,139.28/227,897.57 = 93,517.76/x
  3. Step 3: Cross multiply
    165,139.28x = 227,897.57 × 93,517.76
  4. Step 4: Simplify right side
    165,139.28x = 21,312,471,059.38
  5. Step 5: Solve for x
    x = 21,312,471,059.38/165,139.28
  6. Step 6: Final answer
    x = 129,057.55

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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.