Home / 136,179.05-187,932.44-82,433.66

Finding the Fourth Proportional to 136,179.05, 187,932.44 and 82,433.66

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Solution

The fourth proportional to 136,179.05, 187,932.44 and 82,433.66 is: 113,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,179.05 : 187,932.44 = 82,433.66 : x
  2. Step 2: Convert to fraction form
    136,179.05/187,932.44 = 82,433.66/x
  3. Step 3: Cross multiply
    136,179.05x = 187,932.44 × 82,433.66
  4. Step 4: Simplify right side
    136,179.05x = 15,491,958,861.93
  5. Step 5: Solve for x
    x = 15,491,958,861.93/136,179.05
  6. Step 6: Final answer
    x = 113,761.69

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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.