Home / 226,225.30-338,821.13-107,979.68

Finding the Fourth Proportional to 226,225.30, 338,821.13 and 107,979.68

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Solution

The fourth proportional to 226,225.30, 338,821.13 and 107,979.68 is: 161,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,225.30 : 338,821.13 = 107,979.68 : x
  2. Step 2: Convert to fraction form
    226,225.30/338,821.13 = 107,979.68/x
  3. Step 3: Cross multiply
    226,225.30x = 338,821.13 × 107,979.68
  4. Step 4: Simplify right side
    226,225.30x = 36,585,795,770.48
  5. Step 5: Solve for x
    x = 36,585,795,770.48/226,225.30
  6. Step 6: Final answer
    x = 161,722.83

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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.