Home / 179,789.46-269,849.83-91,105.80

Finding the Fourth Proportional to 179,789.46, 269,849.83 and 91,105.80

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Solution

The fourth proportional to 179,789.46, 269,849.83 and 91,105.80 is: 136,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,789.46 : 269,849.83 = 91,105.80 : x
  2. Step 2: Convert to fraction form
    179,789.46/269,849.83 = 91,105.80/x
  3. Step 3: Cross multiply
    179,789.46x = 269,849.83 × 91,105.80
  4. Step 4: Simplify right side
    179,789.46x = 24,584,883,292.76
  5. Step 5: Solve for x
    x = 24,584,883,292.76/179,789.46
  6. Step 6: Final answer
    x = 136,742.63

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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.