Home / 144,195.43-198,983.67-82,936.96

Finding the Fourth Proportional to 144,195.43, 198,983.67 and 82,936.96

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Solution

The fourth proportional to 144,195.43, 198,983.67 and 82,936.96 is: 114,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,195.43 : 198,983.67 = 82,936.96 : x
  2. Step 2: Convert to fraction form
    144,195.43/198,983.67 = 82,936.96/x
  3. Step 3: Cross multiply
    144,195.43x = 198,983.67 × 82,936.96
  4. Step 4: Simplify right side
    144,195.43x = 16,503,099,870.97
  5. Step 5: Solve for x
    x = 16,503,099,870.97/144,195.43
  6. Step 6: Final answer
    x = 114,449.54

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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.