Home / 166,067.06-229,115.41-100,676.97

Finding the Fourth Proportional to 166,067.06, 229,115.41 and 100,676.97

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Solution

The fourth proportional to 166,067.06, 229,115.41 and 100,676.97 is: 138,899.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,067.06 : 229,115.41 = 100,676.97 : x
  2. Step 2: Convert to fraction form
    166,067.06/229,115.41 = 100,676.97/x
  3. Step 3: Cross multiply
    166,067.06x = 229,115.41 × 100,676.97
  4. Step 4: Simplify right side
    166,067.06x = 23,066,645,007.42
  5. Step 5: Solve for x
    x = 23,066,645,007.42/166,067.06
  6. Step 6: Final answer
    x = 138,899.58

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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.