Home / 232,695.30-321,127.11-130,738.89

Finding the Fourth Proportional to 232,695.30, 321,127.11 and 130,738.89

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Solution

The fourth proportional to 232,695.30, 321,127.11 and 130,738.89 is: 180,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,695.30 : 321,127.11 = 130,738.89 : x
  2. Step 2: Convert to fraction form
    232,695.30/321,127.11 = 130,738.89/x
  3. Step 3: Cross multiply
    232,695.30x = 321,127.11 × 130,738.89
  4. Step 4: Simplify right side
    232,695.30x = 41,983,801,910.31
  5. Step 5: Solve for x
    x = 41,983,801,910.31/232,695.30
  6. Step 6: Final answer
    x = 180,423.94

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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.