Home / 154,472.20-231,708.30-147,255.10

Finding the Fourth Proportional to 154,472.20, 231,708.30 and 147,255.10

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Solution

The fourth proportional to 154,472.20, 231,708.30 and 147,255.10 is: 220,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,472.20 : 231,708.30 = 147,255.10 : x
  2. Step 2: Convert to fraction form
    154,472.20/231,708.30 = 147,255.10/x
  3. Step 3: Cross multiply
    154,472.20x = 231,708.30 × 147,255.10
  4. Step 4: Simplify right side
    154,472.20x = 34,120,228,887.33
  5. Step 5: Solve for x
    x = 34,120,228,887.33/154,472.20
  6. Step 6: Final answer
    x = 220,882.65

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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.