Home / 151,581.32-227,306.20-80,488.49

Finding the Fourth Proportional to 151,581.32, 227,306.20 and 80,488.49

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Solution

The fourth proportional to 151,581.32, 227,306.20 and 80,488.49 is: 120,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,581.32 : 227,306.20 = 80,488.49 : x
  2. Step 2: Convert to fraction form
    151,581.32/227,306.20 = 80,488.49/x
  3. Step 3: Cross multiply
    151,581.32x = 227,306.20 × 80,488.49
  4. Step 4: Simplify right side
    151,581.32x = 18,295,531,618.80
  5. Step 5: Solve for x
    x = 18,295,531,618.80/151,581.32
  6. Step 6: Final answer
    x = 120,697.80

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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.