Home / 231,646.08-319,672.82-131,041.92

Finding the Fourth Proportional to 231,646.08, 319,672.82 and 131,041.92

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Solution

The fourth proportional to 231,646.08, 319,672.82 and 131,041.92 is: 180,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,646.08 : 319,672.82 = 131,041.92 : x
  2. Step 2: Convert to fraction form
    231,646.08/319,672.82 = 131,041.92/x
  3. Step 3: Cross multiply
    231,646.08x = 319,672.82 × 131,041.92
  4. Step 4: Simplify right side
    231,646.08x = 41,890,540,104.61
  5. Step 5: Solve for x
    x = 41,890,540,104.61/231,646.08
  6. Step 6: Final answer
    x = 180,838.55

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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.