Home / 199,435.57-275,216.07-108,793.60

Finding the Fourth Proportional to 199,435.57, 275,216.07 and 108,793.60

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Solution

The fourth proportional to 199,435.57, 275,216.07 and 108,793.60 is: 150,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,435.57 : 275,216.07 = 108,793.60 : x
  2. Step 2: Convert to fraction form
    199,435.57/275,216.07 = 108,793.60/x
  3. Step 3: Cross multiply
    199,435.57x = 275,216.07 × 108,793.60
  4. Step 4: Simplify right side
    199,435.57x = 29,941,747,033.15
  5. Step 5: Solve for x
    x = 29,941,747,033.15/199,435.57
  6. Step 6: Final answer
    x = 150,132.43

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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.