Home / 127,411.76-191,147.16-43,167.44

Finding the Fourth Proportional to 127,411.76, 191,147.16 and 43,167.44

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Solution

The fourth proportional to 127,411.76, 191,147.16 and 43,167.44 is: 64,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,411.76 : 191,147.16 = 43,167.44 : x
  2. Step 2: Convert to fraction form
    127,411.76/191,147.16 = 43,167.44/x
  3. Step 3: Cross multiply
    127,411.76x = 191,147.16 × 43,167.44
  4. Step 4: Simplify right side
    127,411.76x = 8,251,333,560.47
  5. Step 5: Solve for x
    x = 8,251,333,560.47/127,411.76
  6. Step 6: Final answer
    x = 64,761.16

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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.