Home / 198,827.18-274,373.28-108,183.50

Finding the Fourth Proportional to 198,827.18, 274,373.28 and 108,183.50

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Solution

The fourth proportional to 198,827.18, 274,373.28 and 108,183.50 is: 149,288.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,827.18 : 274,373.28 = 108,183.50 : x
  2. Step 2: Convert to fraction form
    198,827.18/274,373.28 = 108,183.50/x
  3. Step 3: Cross multiply
    198,827.18x = 274,373.28 × 108,183.50
  4. Step 4: Simplify right side
    198,827.18x = 29,682,660,365.01
  5. Step 5: Solve for x
    x = 29,682,660,365.01/198,827.18
  6. Step 6: Final answer
    x = 149,288.75

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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.