Home / 199,414.57-275,192.97-108,772.48

Finding the Fourth Proportional to 199,414.57, 275,192.97 and 108,772.48

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Solution

The fourth proportional to 199,414.57, 275,192.97 and 108,772.48 is: 150,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,414.57 : 275,192.97 = 108,772.48 : x
  2. Step 2: Convert to fraction form
    199,414.57/275,192.97 = 108,772.48/x
  3. Step 3: Cross multiply
    199,414.57x = 275,192.97 × 108,772.48
  4. Step 4: Simplify right side
    199,414.57x = 29,933,421,825.47
  5. Step 5: Solve for x
    x = 29,933,421,825.47/199,414.57
  6. Step 6: Final answer
    x = 150,106.49

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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.