Home / 127,447.88-191,159.46-38,702.15

Finding the Fourth Proportional to 127,447.88, 191,159.46 and 38,702.15

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Solution

The fourth proportional to 127,447.88, 191,159.46 and 38,702.15 is: 58,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,447.88 : 191,159.46 = 38,702.15 : x
  2. Step 2: Convert to fraction form
    127,447.88/191,159.46 = 38,702.15/x
  3. Step 3: Cross multiply
    127,447.88x = 191,159.46 × 38,702.15
  4. Step 4: Simplify right side
    127,447.88x = 7,398,282,094.84
  5. Step 5: Solve for x
    x = 7,398,282,094.84/127,447.88
  6. Step 6: Final answer
    x = 58,049.47

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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.