Home / 148,299.43-204,652.20-80,314.84

Finding the Fourth Proportional to 148,299.43, 204,652.20 and 80,314.84

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Solution

The fourth proportional to 148,299.43, 204,652.20 and 80,314.84 is: 110,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,299.43 : 204,652.20 = 80,314.84 : x
  2. Step 2: Convert to fraction form
    148,299.43/204,652.20 = 80,314.84/x
  3. Step 3: Cross multiply
    148,299.43x = 204,652.20 × 80,314.84
  4. Step 4: Simplify right side
    148,299.43x = 16,436,608,698.65
  5. Step 5: Solve for x
    x = 16,436,608,698.65/148,299.43
  6. Step 6: Final answer
    x = 110,833.93

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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.