Home / 179,520.56-269,287.67-67,188.95

Finding the Fourth Proportional to 179,520.56, 269,287.67 and 67,188.95

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Solution

The fourth proportional to 179,520.56, 269,287.67 and 67,188.95 is: 100,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,520.56 : 269,287.67 = 67,188.95 : x
  2. Step 2: Convert to fraction form
    179,520.56/269,287.67 = 67,188.95/x
  3. Step 3: Cross multiply
    179,520.56x = 269,287.67 × 67,188.95
  4. Step 4: Simplify right side
    179,520.56x = 18,093,155,795.25
  5. Step 5: Solve for x
    x = 18,093,155,795.25/179,520.56
  6. Step 6: Final answer
    x = 100,785.98

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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.