Home / 149,306.14-206,042.46-82,238.14

Finding the Fourth Proportional to 149,306.14, 206,042.46 and 82,238.14

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Solution

The fourth proportional to 149,306.14, 206,042.46 and 82,238.14 is: 113,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,306.14 : 206,042.46 = 82,238.14 : x
  2. Step 2: Convert to fraction form
    149,306.14/206,042.46 = 82,238.14/x
  3. Step 3: Cross multiply
    149,306.14x = 206,042.46 × 82,238.14
  4. Step 4: Simplify right side
    149,306.14x = 16,944,548,671.42
  5. Step 5: Solve for x
    x = 16,944,548,671.42/149,306.14
  6. Step 6: Final answer
    x = 113,488.63

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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.