Home / 127,447.86-191,159.43-38,702.14

Finding the Fourth Proportional to 127,447.86, 191,159.43 and 38,702.14

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Solution

The fourth proportional to 127,447.86, 191,159.43 and 38,702.14 is: 58,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,447.86 : 191,159.43 = 38,702.14 : x
  2. Step 2: Convert to fraction form
    127,447.86/191,159.43 = 38,702.14/x
  3. Step 3: Cross multiply
    127,447.86x = 191,159.43 × 38,702.14
  4. Step 4: Simplify right side
    127,447.86x = 7,398,278,399.15
  5. Step 5: Solve for x
    x = 7,398,278,399.15/127,447.86
  6. Step 6: Final answer
    x = 58,049.45

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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.