Home / 106,822.80-160,234.20-66,964.73

Finding the Fourth Proportional to 106,822.80, 160,234.20 and 66,964.73

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Solution

The fourth proportional to 106,822.80, 160,234.20 and 66,964.73 is: 100,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,822.80 : 160,234.20 = 66,964.73 : x
  2. Step 2: Convert to fraction form
    106,822.80/160,234.20 = 66,964.73/x
  3. Step 3: Cross multiply
    106,822.80x = 160,234.20 × 66,964.73
  4. Step 4: Simplify right side
    106,822.80x = 10,730,039,138.60
  5. Step 5: Solve for x
    x = 10,730,039,138.60/106,822.80
  6. Step 6: Final answer
    x = 100,447.09

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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.