Home / 215,067.10-322,666.26-109,959.88

Finding the Fourth Proportional to 215,067.10, 322,666.26 and 109,959.88

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Solution

The fourth proportional to 215,067.10, 322,666.26 and 109,959.88 is: 164,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,067.10 : 322,666.26 = 109,959.88 : x
  2. Step 2: Convert to fraction form
    215,067.10/322,666.26 = 109,959.88/x
  3. Step 3: Cross multiply
    215,067.10x = 322,666.26 × 109,959.88
  4. Step 4: Simplify right side
    215,067.10x = 35,480,343,229.65
  5. Step 5: Solve for x
    x = 35,480,343,229.65/215,067.10
  6. Step 6: Final answer
    x = 164,973.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.