Home / 231,750.27-319,832.85-129,770.46

Finding the Fourth Proportional to 231,750.27, 319,832.85 and 129,770.46

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Solution

The fourth proportional to 231,750.27, 319,832.85 and 129,770.46 is: 179,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,750.27 : 319,832.85 = 129,770.46 : x
  2. Step 2: Convert to fraction form
    231,750.27/319,832.85 = 129,770.46/x
  3. Step 3: Cross multiply
    231,750.27x = 319,832.85 × 129,770.46
  4. Step 4: Simplify right side
    231,750.27x = 41,504,856,067.61
  5. Step 5: Solve for x
    x = 41,504,856,067.61/231,750.27
  6. Step 6: Final answer
    x = 179,093.02

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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.