Home / 148,222.20-204,546.42-80,238.84

Finding the Fourth Proportional to 148,222.20, 204,546.42 and 80,238.84

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Solution

The fourth proportional to 148,222.20, 204,546.42 and 80,238.84 is: 110,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,222.20 : 204,546.42 = 80,238.84 : x
  2. Step 2: Convert to fraction form
    148,222.20/204,546.42 = 80,238.84/x
  3. Step 3: Cross multiply
    148,222.20x = 204,546.42 × 80,238.84
  4. Step 4: Simplify right side
    148,222.20x = 16,412,567,466.95
  5. Step 5: Solve for x
    x = 16,412,567,466.95/148,222.20
  6. Step 6: Final answer
    x = 110,729.48

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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.