Home / 132,846.30-199,000.65-82,772.70

Finding the Fourth Proportional to 132,846.30, 199,000.65 and 82,772.70

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Solution

The fourth proportional to 132,846.30, 199,000.65 and 82,772.70 is: 123,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,846.30 : 199,000.65 = 82,772.70 : x
  2. Step 2: Convert to fraction form
    132,846.30/199,000.65 = 82,772.70/x
  3. Step 3: Cross multiply
    132,846.30x = 199,000.65 × 82,772.70
  4. Step 4: Simplify right side
    132,846.30x = 16,471,821,102.26
  5. Step 5: Solve for x
    x = 16,471,821,102.26/132,846.30
  6. Step 6: Final answer
    x = 123,991.57

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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.