Home / 225,714.28-338,279.82-107,421.88

Finding the Fourth Proportional to 225,714.28, 338,279.82 and 107,421.88

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Solution

The fourth proportional to 225,714.28, 338,279.82 and 107,421.88 is: 160,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,714.28 : 338,279.82 = 107,421.88 : x
  2. Step 2: Convert to fraction form
    225,714.28/338,279.82 = 107,421.88/x
  3. Step 3: Cross multiply
    225,714.28x = 338,279.82 × 107,421.88
  4. Step 4: Simplify right side
    225,714.28x = 36,338,654,230.46
  5. Step 5: Solve for x
    x = 36,338,654,230.46/225,714.28
  6. Step 6: Final answer
    x = 160,994.04

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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.