Home / 127,921.26-176,534.98-71,336.28

Finding the Fourth Proportional to 127,921.26, 176,534.98 and 71,336.28

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Solution

The fourth proportional to 127,921.26, 176,534.98 and 71,336.28 is: 98,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,921.26 : 176,534.98 = 71,336.28 : x
  2. Step 2: Convert to fraction form
    127,921.26/176,534.98 = 71,336.28/x
  3. Step 3: Cross multiply
    127,921.26x = 176,534.98 × 71,336.28
  4. Step 4: Simplify right side
    127,921.26x = 12,593,348,763.07
  5. Step 5: Solve for x
    x = 12,593,348,763.07/127,921.26
  6. Step 6: Final answer
    x = 98,446.10

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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.