Home / 132,137.26-198,141.30-92,175.39

Finding the Fourth Proportional to 132,137.26, 198,141.30 and 92,175.39

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Solution

The fourth proportional to 132,137.26, 198,141.30 and 92,175.39 is: 138,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,137.26 : 198,141.30 = 92,175.39 : x
  2. Step 2: Convert to fraction form
    132,137.26/198,141.30 = 92,175.39/x
  3. Step 3: Cross multiply
    132,137.26x = 198,141.30 × 92,175.39
  4. Step 4: Simplify right side
    132,137.26x = 18,263,752,345.64
  5. Step 5: Solve for x
    x = 18,263,752,345.64/132,137.26
  6. Step 6: Final answer
    x = 138,218.04

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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.