Home / 127,724.77-176,265.66-71,136.16

Finding the Fourth Proportional to 127,724.77, 176,265.66 and 71,136.16

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Solution

The fourth proportional to 127,724.77, 176,265.66 and 71,136.16 is: 98,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,724.77 : 176,265.66 = 71,136.16 : x
  2. Step 2: Convert to fraction form
    127,724.77/176,265.66 = 71,136.16/x
  3. Step 3: Cross multiply
    127,724.77x = 176,265.66 × 71,136.16
  4. Step 4: Simplify right side
    127,724.77x = 12,538,862,192.27
  5. Step 5: Solve for x
    x = 12,538,862,192.27/127,724.77
  6. Step 6: Final answer
    x = 98,170.95

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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.