Home / 127,760.32-176,314.68-71,171.76

Finding the Fourth Proportional to 127,760.32, 176,314.68 and 71,171.76

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Solution

The fourth proportional to 127,760.32, 176,314.68 and 71,171.76 is: 98,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,760.32 : 176,314.68 = 71,171.76 : x
  2. Step 2: Convert to fraction form
    127,760.32/176,314.68 = 71,171.76/x
  3. Step 3: Cross multiply
    127,760.32x = 176,314.68 × 71,171.76
  4. Step 4: Simplify right side
    127,760.32x = 12,548,626,089.44
  5. Step 5: Solve for x
    x = 12,548,626,089.44/127,760.32
  6. Step 6: Final answer
    x = 98,220.06

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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.