Home / 127,321.26-175,708.62-70,732.50

Finding the Fourth Proportional to 127,321.26, 175,708.62 and 70,732.50

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Solution

The fourth proportional to 127,321.26, 175,708.62 and 70,732.50 is: 97,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,321.26 : 175,708.62 = 70,732.50 : x
  2. Step 2: Convert to fraction form
    127,321.26/175,708.62 = 70,732.50/x
  3. Step 3: Cross multiply
    127,321.26x = 175,708.62 × 70,732.50
  4. Step 4: Simplify right side
    127,321.26x = 12,428,309,964.15
  5. Step 5: Solve for x
    x = 12,428,309,964.15/127,321.26
  6. Step 6: Final answer
    x = 97,613.78

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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.