Home / 127,714.97-176,252.13-71,126.34

Finding the Fourth Proportional to 127,714.97, 176,252.13 and 71,126.34

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Solution

The fourth proportional to 127,714.97, 176,252.13 and 71,126.34 is: 98,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,714.97 : 176,252.13 = 71,126.34 : x
  2. Step 2: Convert to fraction form
    127,714.97/176,252.13 = 71,126.34/x
  3. Step 3: Cross multiply
    127,714.97x = 176,252.13 × 71,126.34
  4. Step 4: Simplify right side
    127,714.97x = 12,536,169,318.33
  5. Step 5: Solve for x
    x = 12,536,169,318.33/127,714.97
  6. Step 6: Final answer
    x = 98,157.40

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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.