Home / 220,800.24-331,249.50-80,558.82

Finding the Fourth Proportional to 220,800.24, 331,249.50 and 80,558.82

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Solution

The fourth proportional to 220,800.24, 331,249.50 and 80,558.82 is: 120,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,800.24 : 331,249.50 = 80,558.82 : x
  2. Step 2: Convert to fraction form
    220,800.24/331,249.50 = 80,558.82/x
  3. Step 3: Cross multiply
    220,800.24x = 331,249.50 × 80,558.82
  4. Step 4: Simplify right side
    220,800.24x = 26,685,068,845.59
  5. Step 5: Solve for x
    x = 26,685,068,845.59/220,800.24
  6. Step 6: Final answer
    x = 120,856.16

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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.