Home / 115,022.62-158,680.08-67,254.90

Finding the Fourth Proportional to 115,022.62, 158,680.08 and 67,254.90

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Solution

The fourth proportional to 115,022.62, 158,680.08 and 67,254.90 is: 92,781.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,022.62 : 158,680.08 = 67,254.90 : x
  2. Step 2: Convert to fraction form
    115,022.62/158,680.08 = 67,254.90/x
  3. Step 3: Cross multiply
    115,022.62x = 158,680.08 × 67,254.90
  4. Step 4: Simplify right side
    115,022.62x = 10,672,012,912.39
  5. Step 5: Solve for x
    x = 10,672,012,912.39/115,022.62
  6. Step 6: Final answer
    x = 92,781.86

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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.