Home / 199,857.11-275,791.04-109,195.02

Finding the Fourth Proportional to 199,857.11, 275,791.04 and 109,195.02

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Solution

The fourth proportional to 199,857.11, 275,791.04 and 109,195.02 is: 150,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,857.11 : 275,791.04 = 109,195.02 : x
  2. Step 2: Convert to fraction form
    199,857.11/275,791.04 = 109,195.02/x
  3. Step 3: Cross multiply
    199,857.11x = 275,791.04 × 109,195.02
  4. Step 4: Simplify right side
    199,857.11x = 30,115,007,582.65
  5. Step 5: Solve for x
    x = 30,115,007,582.65/199,857.11
  6. Step 6: Final answer
    x = 150,682.70

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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.