Home / 116,366.13-160,575.39-65,374.86

Finding the Fourth Proportional to 116,366.13, 160,575.39 and 65,374.86

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Solution

The fourth proportional to 116,366.13, 160,575.39 and 65,374.86 is: 90,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,366.13 : 160,575.39 = 65,374.86 : x
  2. Step 2: Convert to fraction form
    116,366.13/160,575.39 = 65,374.86/x
  3. Step 3: Cross multiply
    116,366.13x = 160,575.39 × 65,374.86
  4. Step 4: Simplify right side
    116,366.13x = 10,497,593,640.70
  5. Step 5: Solve for x
    x = 10,497,593,640.70/116,366.13
  6. Step 6: Final answer
    x = 90,211.76

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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.