Home / 179,311.06-269,132.79-90,626.38

Finding the Fourth Proportional to 179,311.06, 269,132.79 and 90,626.38

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Solution

The fourth proportional to 179,311.06, 269,132.79 and 90,626.38 is: 136,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,311.06 : 269,132.79 = 90,626.38 : x
  2. Step 2: Convert to fraction form
    179,311.06/269,132.79 = 90,626.38/x
  3. Step 3: Cross multiply
    179,311.06x = 269,132.79 × 90,626.38
  4. Step 4: Simplify right side
    179,311.06x = 24,390,530,497.00
  5. Step 5: Solve for x
    x = 24,390,530,497.00/179,311.06
  6. Step 6: Final answer
    x = 136,023.57

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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.