Home / 199,520.42-275,329.61-108,874.13

Finding the Fourth Proportional to 199,520.42, 275,329.61 and 108,874.13

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Solution

The fourth proportional to 199,520.42, 275,329.61 and 108,874.13 is: 150,241.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,520.42 : 275,329.61 = 108,874.13 : x
  2. Step 2: Convert to fraction form
    199,520.42/275,329.61 = 108,874.13/x
  3. Step 3: Cross multiply
    199,520.42x = 275,329.61 × 108,874.13
  4. Step 4: Simplify right side
    199,520.42x = 29,976,269,830.97
  5. Step 5: Solve for x
    x = 29,976,269,830.97/199,520.42
  6. Step 6: Final answer
    x = 150,241.62

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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.