Home / 148,314.25-204,672.03-80,329.53

Finding the Fourth Proportional to 148,314.25, 204,672.03 and 80,329.53

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Solution

The fourth proportional to 148,314.25, 204,672.03 and 80,329.53 is: 110,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,314.25 : 204,672.03 = 80,329.53 : x
  2. Step 2: Convert to fraction form
    148,314.25/204,672.03 = 80,329.53/x
  3. Step 3: Cross multiply
    148,314.25x = 204,672.03 × 80,329.53
  4. Step 4: Simplify right side
    148,314.25x = 16,441,207,974.05
  5. Step 5: Solve for x
    x = 16,441,207,974.05/148,314.25
  6. Step 6: Final answer
    x = 110,853.87

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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.