Home / 132,414.12-198,579-43,651.08

Finding the Fourth Proportional to 132,414.12, 198,579 and 43,651.08

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Solution

The fourth proportional to 132,414.12, 198,579 and 43,651.08 is: 65,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,414.12 : 198,579 = 43,651.08 : x
  2. Step 2: Convert to fraction form
    132,414.12/198,579 = 43,651.08/x
  3. Step 3: Cross multiply
    132,414.12x = 198,579 × 43,651.08
  4. Step 4: Simplify right side
    132,414.12x = 8,668,187,815.32
  5. Step 5: Solve for x
    x = 8,668,187,815.32/132,414.12
  6. Step 6: Final answer
    x = 65,462.72

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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.