Home / 199,542.55-275,375.16-113,499.31

Finding the Fourth Proportional to 199,542.55, 275,375.16 and 113,499.31

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Solution

The fourth proportional to 199,542.55, 275,375.16 and 113,499.31 is: 156,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,542.55 : 275,375.16 = 113,499.31 : x
  2. Step 2: Convert to fraction form
    199,542.55/275,375.16 = 113,499.31/x
  3. Step 3: Cross multiply
    199,542.55x = 275,375.16 × 113,499.31
  4. Step 4: Simplify right side
    199,542.55x = 31,254,890,651.14
  5. Step 5: Solve for x
    x = 31,254,890,651.14/199,542.55
  6. Step 6: Final answer
    x = 156,632.71

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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.