Home / 232,679.43-321,127.68-130,704.93

Finding the Fourth Proportional to 232,679.43, 321,127.68 and 130,704.93

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Solution

The fourth proportional to 232,679.43, 321,127.68 and 130,704.93 is: 180,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,679.43 : 321,127.68 = 130,704.93 : x
  2. Step 2: Convert to fraction form
    232,679.43/321,127.68 = 130,704.93/x
  3. Step 3: Cross multiply
    232,679.43x = 321,127.68 × 130,704.93
  4. Step 4: Simplify right side
    232,679.43x = 41,972,970,935.46
  5. Step 5: Solve for x
    x = 41,972,970,935.46/232,679.43
  6. Step 6: Final answer
    x = 180,389.69

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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.