Home / 199,433.36-275,218.92-108,791.36

Finding the Fourth Proportional to 199,433.36, 275,218.92 and 108,791.36

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Solution

The fourth proportional to 199,433.36, 275,218.92 and 108,791.36 is: 150,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,433.36 : 275,218.92 = 108,791.36 : x
  2. Step 2: Convert to fraction form
    199,433.36/275,218.92 = 108,791.36/x
  3. Step 3: Cross multiply
    199,433.36x = 275,218.92 × 108,791.36
  4. Step 4: Simplify right side
    199,433.36x = 29,941,440,604.53
  5. Step 5: Solve for x
    x = 29,941,440,604.53/199,433.36
  6. Step 6: Final answer
    x = 150,132.56

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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.