Home / 119,228.24-178,842-30,481.76

Finding the Fourth Proportional to 119,228.24, 178,842 and 30,481.76

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Solution

The fourth proportional to 119,228.24, 178,842 and 30,481.76 is: 45,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,228.24 : 178,842 = 30,481.76 : x
  2. Step 2: Convert to fraction form
    119,228.24/178,842 = 30,481.76/x
  3. Step 3: Cross multiply
    119,228.24x = 178,842 × 30,481.76
  4. Step 4: Simplify right side
    119,228.24x = 5,451,418,921.92
  5. Step 5: Solve for x
    x = 5,451,418,921.92/119,228.24
  6. Step 6: Final answer
    x = 45,722.55

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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.