Home / 232,428.22-320,940-189,414.04

Finding the Fourth Proportional to 232,428.22, 320,940 and 189,414.04

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Solution

The fourth proportional to 232,428.22, 320,940 and 189,414.04 is: 261,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,428.22 : 320,940 = 189,414.04 : x
  2. Step 2: Convert to fraction form
    232,428.22/320,940 = 189,414.04/x
  3. Step 3: Cross multiply
    232,428.22x = 320,940 × 189,414.04
  4. Step 4: Simplify right side
    232,428.22x = 60,790,541,997.60
  5. Step 5: Solve for x
    x = 60,790,541,997.60/232,428.22
  6. Step 6: Final answer
    x = 261,545.44

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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.