Home / 160,132.43-220,960.17-91,223.71

Finding the Fourth Proportional to 160,132.43, 220,960.17 and 91,223.71

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Solution

The fourth proportional to 160,132.43, 220,960.17 and 91,223.71 is: 125,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,132.43 : 220,960.17 = 91,223.71 : x
  2. Step 2: Convert to fraction form
    160,132.43/220,960.17 = 91,223.71/x
  3. Step 3: Cross multiply
    160,132.43x = 220,960.17 × 91,223.71
  4. Step 4: Simplify right side
    160,132.43x = 20,156,805,364.83
  5. Step 5: Solve for x
    x = 20,156,805,364.83/160,132.43
  6. Step 6: Final answer
    x = 125,875.85

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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.