Home / 149,399.04-206,169.66-82,331.04

Finding the Fourth Proportional to 149,399.04, 206,169.66 and 82,331.04

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Solution

The fourth proportional to 149,399.04, 206,169.66 and 82,331.04 is: 113,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,399.04 : 206,169.66 = 82,331.04 : x
  2. Step 2: Convert to fraction form
    149,399.04/206,169.66 = 82,331.04/x
  3. Step 3: Cross multiply
    149,399.04x = 206,169.66 × 82,331.04
  4. Step 4: Simplify right side
    149,399.04x = 16,974,162,524.25
  5. Step 5: Solve for x
    x = 16,974,162,524.25/149,399.04
  6. Step 6: Final answer
    x = 113,616.28

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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.