Home / 132,103.56-198,067.32-43,326.48

Finding the Fourth Proportional to 132,103.56, 198,067.32 and 43,326.48

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Solution

The fourth proportional to 132,103.56, 198,067.32 and 43,326.48 is: 64,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,103.56 : 198,067.32 = 43,326.48 : x
  2. Step 2: Convert to fraction form
    132,103.56/198,067.32 = 43,326.48/x
  3. Step 3: Cross multiply
    132,103.56x = 198,067.32 × 43,326.48
  4. Step 4: Simplify right side
    132,103.56x = 8,581,559,778.63
  5. Step 5: Solve for x
    x = 8,581,559,778.63/132,103.56
  6. Step 6: Final answer
    x = 64,960.85

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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.