Home / 132,849.80-199,005.90-82,776.20

Finding the Fourth Proportional to 132,849.80, 199,005.90 and 82,776.20

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Solution

The fourth proportional to 132,849.80, 199,005.90 and 82,776.20 is: 123,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,849.80 : 199,005.90 = 82,776.20 : x
  2. Step 2: Convert to fraction form
    132,849.80/199,005.90 = 82,776.20/x
  3. Step 3: Cross multiply
    132,849.80x = 199,005.90 × 82,776.20
  4. Step 4: Simplify right side
    132,849.80x = 16,472,952,179.58
  5. Step 5: Solve for x
    x = 16,472,952,179.58/132,849.80
  6. Step 6: Final answer
    x = 123,996.82

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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.