Home / 127,966.24-176,607.12-71,397.28

Finding the Fourth Proportional to 127,966.24, 176,607.12 and 71,397.28

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Solution

The fourth proportional to 127,966.24, 176,607.12 and 71,397.28 is: 98,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,966.24 : 176,607.12 = 71,397.28 : x
  2. Step 2: Convert to fraction form
    127,966.24/176,607.12 = 71,397.28/x
  3. Step 3: Cross multiply
    127,966.24x = 176,607.12 × 71,397.28
  4. Step 4: Simplify right side
    127,966.24x = 12,609,267,996.63
  5. Step 5: Solve for x
    x = 12,609,267,996.63/127,966.24
  6. Step 6: Final answer
    x = 98,535.90

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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.