Home / 127,714.59-176,251.61-71,125.97

Finding the Fourth Proportional to 127,714.59, 176,251.61 and 71,125.97

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Solution

The fourth proportional to 127,714.59, 176,251.61 and 71,125.97 is: 98,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,714.59 : 176,251.61 = 71,125.97 : x
  2. Step 2: Convert to fraction form
    127,714.59/176,251.61 = 71,125.97/x
  3. Step 3: Cross multiply
    127,714.59x = 176,251.61 × 71,125.97
  4. Step 4: Simplify right side
    127,714.59x = 12,536,066,416.09
  5. Step 5: Solve for x
    x = 12,536,066,416.09/127,714.59
  6. Step 6: Final answer
    x = 98,156.88

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1.5x scale

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.