Home / 127,862.60-176,407.52-82,571.20

Finding the Fourth Proportional to 127,862.60, 176,407.52 and 82,571.20

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Solution

The fourth proportional to 127,862.60, 176,407.52 and 82,571.20 is: 113,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,862.60 : 176,407.52 = 82,571.20 : x
  2. Step 2: Convert to fraction form
    127,862.60/176,407.52 = 82,571.20/x
  3. Step 3: Cross multiply
    127,862.60x = 176,407.52 × 82,571.20
  4. Step 4: Simplify right side
    127,862.60x = 14,566,179,761.55
  5. Step 5: Solve for x
    x = 14,566,179,761.55/127,862.60
  6. Step 6: Final answer
    x = 113,920.57

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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.