Home / 127,951.03-176,540.07-76,947.36

Finding the Fourth Proportional to 127,951.03, 176,540.07 and 76,947.36

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Solution

The fourth proportional to 127,951.03, 176,540.07 and 76,947.36 is: 106,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,951.03 : 176,540.07 = 76,947.36 : x
  2. Step 2: Convert to fraction form
    127,951.03/176,540.07 = 76,947.36/x
  3. Step 3: Cross multiply
    127,951.03x = 176,540.07 × 76,947.36
  4. Step 4: Simplify right side
    127,951.03x = 13,584,292,320.72
  5. Step 5: Solve for x
    x = 13,584,292,320.72/127,951.03
  6. Step 6: Final answer
    x = 106,167.90

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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.