Home / 213,845.91-320,414.67-150,355.85

Finding the Fourth Proportional to 213,845.91, 320,414.67 and 150,355.85

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Solution

The fourth proportional to 213,845.91, 320,414.67 and 150,355.85 is: 225,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,845.91 : 320,414.67 = 150,355.85 : x
  2. Step 2: Convert to fraction form
    213,845.91/320,414.67 = 150,355.85/x
  3. Step 3: Cross multiply
    213,845.91x = 320,414.67 × 150,355.85
  4. Step 4: Simplify right side
    213,845.91x = 48,176,218,458.25
  5. Step 5: Solve for x
    x = 48,176,218,458.25/213,845.91
  6. Step 6: Final answer
    x = 225,284.73

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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.