Home / 226,109.38-339,160.56-76,454.78

Finding the Fourth Proportional to 226,109.38, 339,160.56 and 76,454.78

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Solution

The fourth proportional to 226,109.38, 339,160.56 and 76,454.78 is: 114,680.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,109.38 : 339,160.56 = 76,454.78 : x
  2. Step 2: Convert to fraction form
    226,109.38/339,160.56 = 76,454.78/x
  3. Step 3: Cross multiply
    226,109.38x = 339,160.56 × 76,454.78
  4. Step 4: Simplify right side
    226,109.38x = 25,930,445,999.48
  5. Step 5: Solve for x
    x = 25,930,445,999.48/226,109.38
  6. Step 6: Final answer
    x = 114,680.98

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1.5x scale

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.