Home / 150,780.38-225,826.11-71,949.96

Finding the Fourth Proportional to 150,780.38, 225,826.11 and 71,949.96

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Solution

The fourth proportional to 150,780.38, 225,826.11 and 71,949.96 is: 107,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,780.38 : 225,826.11 = 71,949.96 : x
  2. Step 2: Convert to fraction form
    150,780.38/225,826.11 = 71,949.96/x
  3. Step 3: Cross multiply
    150,780.38x = 225,826.11 × 71,949.96
  4. Step 4: Simplify right side
    150,780.38x = 16,248,179,581.46
  5. Step 5: Solve for x
    x = 16,248,179,581.46/150,780.38
  6. Step 6: Final answer
    x = 107,760.57

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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.