Home / 179,766.12-269,649.24-61,438.56

Finding the Fourth Proportional to 179,766.12, 269,649.24 and 61,438.56

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Solution

The fourth proportional to 179,766.12, 269,649.24 and 61,438.56 is: 92,157.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,766.12 : 269,649.24 = 61,438.56 : x
  2. Step 2: Convert to fraction form
    179,766.12/269,649.24 = 61,438.56/x
  3. Step 3: Cross multiply
    179,766.12x = 269,649.24 × 61,438.56
  4. Step 4: Simplify right side
    179,766.12x = 16,566,861,010.69
  5. Step 5: Solve for x
    x = 16,566,861,010.69/179,766.12
  6. Step 6: Final answer
    x = 92,157.86

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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.