Home / 199,666.91-275,540.90-109,023.65

Finding the Fourth Proportional to 199,666.91, 275,540.90 and 109,023.65

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Solution

The fourth proportional to 199,666.91, 275,540.90 and 109,023.65 is: 150,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,666.91 : 275,540.90 = 109,023.65 : x
  2. Step 2: Convert to fraction form
    199,666.91/275,540.90 = 109,023.65/x
  3. Step 3: Cross multiply
    199,666.91x = 275,540.90 × 109,023.65
  4. Step 4: Simplify right side
    199,666.91x = 30,040,472,719.46
  5. Step 5: Solve for x
    x = 30,040,472,719.46/199,666.91
  6. Step 6: Final answer
    x = 150,452.94

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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.