Home / 198,936.18-274,535.46-108,294.75

Finding the Fourth Proportional to 198,936.18, 274,535.46 and 108,294.75

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Solution

The fourth proportional to 198,936.18, 274,535.46 and 108,294.75 is: 149,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,936.18 : 274,535.46 = 108,294.75 : x
  2. Step 2: Convert to fraction form
    198,936.18/274,535.46 = 108,294.75/x
  3. Step 3: Cross multiply
    198,936.18x = 274,535.46 × 108,294.75
  4. Step 4: Simplify right side
    198,936.18x = 29,730,749,006.84
  5. Step 5: Solve for x
    x = 29,730,749,006.84/198,936.18
  6. Step 6: Final answer
    x = 149,448.68

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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.