Home / 168,067.14-231,977.43-99,217.14

Finding the Fourth Proportional to 168,067.14, 231,977.43 and 99,217.14

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Solution

The fourth proportional to 168,067.14, 231,977.43 and 99,217.14 is: 136,946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,067.14 : 231,977.43 = 99,217.14 : x
  2. Step 2: Convert to fraction form
    168,067.14/231,977.43 = 99,217.14/x
  3. Step 3: Cross multiply
    168,067.14x = 231,977.43 × 99,217.14
  4. Step 4: Simplify right side
    168,067.14x = 23,016,137,149.15
  5. Step 5: Solve for x
    x = 23,016,137,149.15/168,067.14
  6. Step 6: Final answer
    x = 136,946.09

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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.