Home / 252,436.11-378,306.85-108,169.24

Finding the Fourth Proportional to 252,436.11, 378,306.85 and 108,169.24

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Solution

The fourth proportional to 252,436.11, 378,306.85 and 108,169.24 is: 162,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,436.11 : 378,306.85 = 108,169.24 : x
  2. Step 2: Convert to fraction form
    252,436.11/378,306.85 = 108,169.24/x
  3. Step 3: Cross multiply
    252,436.11x = 378,306.85 × 108,169.24
  4. Step 4: Simplify right side
    252,436.11x = 40,921,162,018.91
  5. Step 5: Solve for x
    x = 40,921,162,018.91/252,436.11
  6. Step 6: Final answer
    x = 162,105.03

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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.