Home / 165,508.20-248,067.90-76,573.85

Finding the Fourth Proportional to 165,508.20, 248,067.90 and 76,573.85

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Solution

The fourth proportional to 165,508.20, 248,067.90 and 76,573.85 is: 114,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,508.20 : 248,067.90 = 76,573.85 : x
  2. Step 2: Convert to fraction form
    165,508.20/248,067.90 = 76,573.85/x
  3. Step 3: Cross multiply
    165,508.20x = 248,067.90 × 76,573.85
  4. Step 4: Simplify right side
    165,508.20x = 18,995,512,924.08
  5. Step 5: Solve for x
    x = 18,995,512,924.08/165,508.20
  6. Step 6: Final answer
    x = 114,770.83

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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.