Home / 199,834.64-275,771.87-107,953.97

Finding the Fourth Proportional to 199,834.64, 275,771.87 and 107,953.97

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Solution

The fourth proportional to 199,834.64, 275,771.87 and 107,953.97 is: 148,976.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,834.64 : 275,771.87 = 107,953.97 : x
  2. Step 2: Convert to fraction form
    199,834.64/275,771.87 = 107,953.97/x
  3. Step 3: Cross multiply
    199,834.64x = 275,771.87 × 107,953.97
  4. Step 4: Simplify right side
    199,834.64x = 29,770,667,046.55
  5. Step 5: Solve for x
    x = 29,770,667,046.55/199,834.64
  6. Step 6: Final answer
    x = 148,976.51

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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.