Home / 127,723.27-176,263.59-71,134.66

Finding the Fourth Proportional to 127,723.27, 176,263.59 and 71,134.66

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Solution

The fourth proportional to 127,723.27, 176,263.59 and 71,134.66 is: 98,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,723.27 : 176,263.59 = 71,134.66 : x
  2. Step 2: Convert to fraction form
    127,723.27/176,263.59 = 71,134.66/x
  3. Step 3: Cross multiply
    127,723.27x = 176,263.59 × 71,134.66
  4. Step 4: Simplify right side
    127,723.27x = 12,538,450,545.03
  5. Step 5: Solve for x
    x = 12,538,450,545.03/127,723.27
  6. Step 6: Final answer
    x = 98,168.88

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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.