Home / 127,984.20-176,605.92-71,399.22

Finding the Fourth Proportional to 127,984.20, 176,605.92 and 71,399.22

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Solution

The fourth proportional to 127,984.20, 176,605.92 and 71,399.22 is: 98,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,984.20 : 176,605.92 = 71,399.22 : x
  2. Step 2: Convert to fraction form
    127,984.20/176,605.92 = 71,399.22/x
  3. Step 3: Cross multiply
    127,984.20x = 176,605.92 × 71,399.22
  4. Step 4: Simplify right side
    127,984.20x = 12,609,524,935.38
  5. Step 5: Solve for x
    x = 12,609,524,935.38/127,984.20
  6. Step 6: Final answer
    x = 98,524.08

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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.