Home / 126,679.38-174,825.66-72,963.24

Finding the Fourth Proportional to 126,679.38, 174,825.66 and 72,963.24

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Solution

The fourth proportional to 126,679.38, 174,825.66 and 72,963.24 is: 100,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,679.38 : 174,825.66 = 72,963.24 : x
  2. Step 2: Convert to fraction form
    126,679.38/174,825.66 = 72,963.24/x
  3. Step 3: Cross multiply
    126,679.38x = 174,825.66 × 72,963.24
  4. Step 4: Simplify right side
    126,679.38x = 12,755,846,588.74
  5. Step 5: Solve for x
    x = 12,755,846,588.74/126,679.38
  6. Step 6: Final answer
    x = 100,693.95

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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.