Home / 226,221.56-339,276.30-76,458.53

Finding the Fourth Proportional to 226,221.56, 339,276.30 and 76,458.53

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Solution

The fourth proportional to 226,221.56, 339,276.30 and 76,458.53 is: 114,668.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,221.56 : 339,276.30 = 76,458.53 : x
  2. Step 2: Convert to fraction form
    226,221.56/339,276.30 = 76,458.53/x
  3. Step 3: Cross multiply
    226,221.56x = 339,276.30 × 76,458.53
  4. Step 4: Simplify right side
    226,221.56x = 25,940,567,723.31
  5. Step 5: Solve for x
    x = 25,940,567,723.31/226,221.56
  6. Step 6: Final answer
    x = 114,668.86

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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.