Home / 132,682.46-198,556.25-82,786.05

Finding the Fourth Proportional to 132,682.46, 198,556.25 and 82,786.05

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Solution

The fourth proportional to 132,682.46, 198,556.25 and 82,786.05 is: 123,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,682.46 : 198,556.25 = 82,786.05 : x
  2. Step 2: Convert to fraction form
    132,682.46/198,556.25 = 82,786.05/x
  3. Step 3: Cross multiply
    132,682.46x = 198,556.25 × 82,786.05
  4. Step 4: Simplify right side
    132,682.46x = 16,437,687,226.38
  5. Step 5: Solve for x
    x = 16,437,687,226.38/132,682.46
  6. Step 6: Final answer
    x = 123,887.42

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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.