Home / 232,981.52-321,512.82-132,379.52

Finding the Fourth Proportional to 232,981.52, 321,512.82 and 132,379.52

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Solution

The fourth proportional to 232,981.52, 321,512.82 and 132,379.52 is: 182,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,981.52 : 321,512.82 = 132,379.52 : x
  2. Step 2: Convert to fraction form
    232,981.52/321,512.82 = 132,379.52/x
  3. Step 3: Cross multiply
    232,981.52x = 321,512.82 × 132,379.52
  4. Step 4: Simplify right side
    232,981.52x = 42,561,712,785.45
  5. Step 5: Solve for x
    x = 42,561,712,785.45/232,981.52
  6. Step 6: Final answer
    x = 182,682.78

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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.