Home / 126,306.20-174,331.80-83,293.43

Finding the Fourth Proportional to 126,306.20, 174,331.80 and 83,293.43

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Solution

The fourth proportional to 126,306.20, 174,331.80 and 83,293.43 is: 114,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,306.20 : 174,331.80 = 83,293.43 : x
  2. Step 2: Convert to fraction form
    126,306.20/174,331.80 = 83,293.43/x
  3. Step 3: Cross multiply
    126,306.20x = 174,331.80 × 83,293.43
  4. Step 4: Simplify right side
    126,306.20x = 14,520,692,708.42
  5. Step 5: Solve for x
    x = 14,520,692,708.42/126,306.20
  6. Step 6: Final answer
    x = 114,964.21

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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.