Home / 231,929.48-347,937.96-74,115.56

Finding the Fourth Proportional to 231,929.48, 347,937.96 and 74,115.56

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Solution

The fourth proportional to 231,929.48, 347,937.96 and 74,115.56 is: 111,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,929.48 : 347,937.96 = 74,115.56 : x
  2. Step 2: Convert to fraction form
    231,929.48/347,937.96 = 74,115.56/x
  3. Step 3: Cross multiply
    231,929.48x = 347,937.96 × 74,115.56
  4. Step 4: Simplify right side
    231,929.48x = 25,787,616,750.66
  5. Step 5: Solve for x
    x = 25,787,616,750.66/231,929.48
  6. Step 6: Final answer
    x = 111,187.32

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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.