Home / 151,542.92-227,023.38-84,780.72

Finding the Fourth Proportional to 151,542.92, 227,023.38 and 84,780.72

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Solution

The fourth proportional to 151,542.92, 227,023.38 and 84,780.72 is: 127,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,542.92 : 227,023.38 = 84,780.72 : x
  2. Step 2: Convert to fraction form
    151,542.92/227,023.38 = 84,780.72/x
  3. Step 3: Cross multiply
    151,542.92x = 227,023.38 × 84,780.72
  4. Step 4: Simplify right side
    151,542.92x = 19,247,205,613.23
  5. Step 5: Solve for x
    x = 19,247,205,613.23/151,542.92
  6. Step 6: Final answer
    x = 127,008.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.