Home / 149,902.38-206,865.36-82,834.38

Finding the Fourth Proportional to 149,902.38, 206,865.36 and 82,834.38

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Solution

The fourth proportional to 149,902.38, 206,865.36 and 82,834.38 is: 114,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,902.38 : 206,865.36 = 82,834.38 : x
  2. Step 2: Convert to fraction form
    149,902.38/206,865.36 = 82,834.38/x
  3. Step 3: Cross multiply
    149,902.38x = 206,865.36 × 82,834.38
  4. Step 4: Simplify right side
    149,902.38x = 17,135,563,839.08
  5. Step 5: Solve for x
    x = 17,135,563,839.08/149,902.38
  6. Step 6: Final answer
    x = 114,311.49

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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.