Home / 199,601.11-275,450.22-108,959.07

Finding the Fourth Proportional to 199,601.11, 275,450.22 and 108,959.07

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Solution

The fourth proportional to 199,601.11, 275,450.22 and 108,959.07 is: 150,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,601.11 : 275,450.22 = 108,959.07 : x
  2. Step 2: Convert to fraction form
    199,601.11/275,450.22 = 108,959.07/x
  3. Step 3: Cross multiply
    199,601.11x = 275,450.22 × 108,959.07
  4. Step 4: Simplify right side
    199,601.11x = 30,012,800,835.43
  5. Step 5: Solve for x
    x = 30,012,800,835.43/199,601.11
  6. Step 6: Final answer
    x = 150,363.90

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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.