Home / 148,234.46-204,562.09-80,249.64

Finding the Fourth Proportional to 148,234.46, 204,562.09 and 80,249.64

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Solution

The fourth proportional to 148,234.46, 204,562.09 and 80,249.64 is: 110,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,234.46 : 204,562.09 = 80,249.64 : x
  2. Step 2: Convert to fraction form
    148,234.46/204,562.09 = 80,249.64/x
  3. Step 3: Cross multiply
    148,234.46x = 204,562.09 × 80,249.64
  4. Step 4: Simplify right side
    148,234.46x = 16,416,032,656.09
  5. Step 5: Solve for x
    x = 16,416,032,656.09/148,234.46
  6. Step 6: Final answer
    x = 110,743.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.