Home / 127,874.43-191,546.10-108,083.88

Finding the Fourth Proportional to 127,874.43, 191,546.10 and 108,083.88

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Solution

The fourth proportional to 127,874.43, 191,546.10 and 108,083.88 is: 161,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,874.43 : 191,546.10 = 108,083.88 : x
  2. Step 2: Convert to fraction form
    127,874.43/191,546.10 = 108,083.88/x
  3. Step 3: Cross multiply
    127,874.43x = 191,546.10 × 108,083.88
  4. Step 4: Simplify right side
    127,874.43x = 20,703,045,686.87
  5. Step 5: Solve for x
    x = 20,703,045,686.87/127,874.43
  6. Step 6: Final answer
    x = 161,901.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.