Home / 148,173.33-204,479.19-80,190.30

Finding the Fourth Proportional to 148,173.33, 204,479.19 and 80,190.30

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Solution

The fourth proportional to 148,173.33, 204,479.19 and 80,190.30 is: 110,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,173.33 : 204,479.19 = 80,190.30 : x
  2. Step 2: Convert to fraction form
    148,173.33/204,479.19 = 80,190.30/x
  3. Step 3: Cross multiply
    148,173.33x = 204,479.19 × 80,190.30
  4. Step 4: Simplify right side
    148,173.33x = 16,397,247,589.86
  5. Step 5: Solve for x
    x = 16,397,247,589.86/148,173.33
  6. Step 6: Final answer
    x = 110,662.61

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1.5x scale

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.