Home / 179,278.36-268,819.07-123,132.61

Finding the Fourth Proportional to 179,278.36, 268,819.07 and 123,132.61

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Solution

The fourth proportional to 179,278.36, 268,819.07 and 123,132.61 is: 184,631.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,278.36 : 268,819.07 = 123,132.61 : x
  2. Step 2: Convert to fraction form
    179,278.36/268,819.07 = 123,132.61/x
  3. Step 3: Cross multiply
    179,278.36x = 268,819.07 × 123,132.61
  4. Step 4: Simplify right side
    179,278.36x = 33,100,392,607.75
  5. Step 5: Solve for x
    x = 33,100,392,607.75/179,278.36
  6. Step 6: Final answer
    x = 184,631.27

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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.