Home / 136,321.85-188,096.68-82,575.65

Finding the Fourth Proportional to 136,321.85, 188,096.68 and 82,575.65

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Solution

The fourth proportional to 136,321.85, 188,096.68 and 82,575.65 is: 113,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,321.85 : 188,096.68 = 82,575.65 : x
  2. Step 2: Convert to fraction form
    136,321.85/188,096.68 = 82,575.65/x
  3. Step 3: Cross multiply
    136,321.85x = 188,096.68 × 82,575.65
  4. Step 4: Simplify right side
    136,321.85x = 15,532,206,187.30
  5. Step 5: Solve for x
    x = 15,532,206,187.30/136,321.85
  6. Step 6: Final answer
    x = 113,937.76

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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.