Home / 231,132.86-319,061.58-140,517.76

Finding the Fourth Proportional to 231,132.86, 319,061.58 and 140,517.76

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Solution

The fourth proportional to 231,132.86, 319,061.58 and 140,517.76 is: 193,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,132.86 : 319,061.58 = 140,517.76 : x
  2. Step 2: Convert to fraction form
    231,132.86/319,061.58 = 140,517.76/x
  3. Step 3: Cross multiply
    231,132.86x = 319,061.58 × 140,517.76
  4. Step 4: Simplify right side
    231,132.86x = 44,833,818,523.66
  5. Step 5: Solve for x
    x = 44,833,818,523.66/231,132.86
  6. Step 6: Final answer
    x = 193,974.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.