Home / 143,716.56-198,330.92-82,472.73

Finding the Fourth Proportional to 143,716.56, 198,330.92 and 82,472.73

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Solution

The fourth proportional to 143,716.56, 198,330.92 and 82,472.73 is: 113,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,716.56 : 198,330.92 = 82,472.73 : x
  2. Step 2: Convert to fraction form
    143,716.56/198,330.92 = 82,472.73/x
  3. Step 3: Cross multiply
    143,716.56x = 198,330.92 × 82,472.73
  4. Step 4: Simplify right side
    143,716.56x = 16,356,892,003.45
  5. Step 5: Solve for x
    x = 16,356,892,003.45/143,716.56
  6. Step 6: Final answer
    x = 113,813.55

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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.