Home / 226,598.10-339,929.55-76,845.30

Finding the Fourth Proportional to 226,598.10, 339,929.55 and 76,845.30

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Solution

The fourth proportional to 226,598.10, 339,929.55 and 76,845.30 is: 115,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,598.10 : 339,929.55 = 76,845.30 : x
  2. Step 2: Convert to fraction form
    226,598.10/339,929.55 = 76,845.30/x
  3. Step 3: Cross multiply
    226,598.10x = 339,929.55 × 76,845.30
  4. Step 4: Simplify right side
    226,598.10x = 26,121,988,248.62
  5. Step 5: Solve for x
    x = 26,121,988,248.62/226,598.10
  6. Step 6: Final answer
    x = 115,278.94

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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.