Home / 199,664.11-275,542.14-109,025.82

Finding the Fourth Proportional to 199,664.11, 275,542.14 and 109,025.82

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Solution

The fourth proportional to 199,664.11, 275,542.14 and 109,025.82 is: 150,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,664.11 : 275,542.14 = 109,025.82 : x
  2. Step 2: Convert to fraction form
    199,664.11/275,542.14 = 109,025.82/x
  3. Step 3: Cross multiply
    199,664.11x = 275,542.14 × 109,025.82
  4. Step 4: Simplify right side
    199,664.11x = 30,041,207,758.05
  5. Step 5: Solve for x
    x = 30,041,207,758.05/199,664.11
  6. Step 6: Final answer
    x = 150,458.73

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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.