Home / 199,441.36-275,229.96-108,799.36

Finding the Fourth Proportional to 199,441.36, 275,229.96 and 108,799.36

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Solution

The fourth proportional to 199,441.36, 275,229.96 and 108,799.36 is: 150,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,441.36 : 275,229.96 = 108,799.36 : x
  2. Step 2: Convert to fraction form
    199,441.36/275,229.96 = 108,799.36/x
  3. Step 3: Cross multiply
    199,441.36x = 275,229.96 × 108,799.36
  4. Step 4: Simplify right side
    199,441.36x = 29,944,843,500.83
  5. Step 5: Solve for x
    x = 29,944,843,500.83/199,441.36
  6. Step 6: Final answer
    x = 150,143.60

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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.