Home / 218,408.20-327,444.63-196,153.65

Finding the Fourth Proportional to 218,408.20, 327,444.63 and 196,153.65

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Solution

The fourth proportional to 218,408.20, 327,444.63 and 196,153.65 is: 294,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,408.20 : 327,444.63 = 196,153.65 : x
  2. Step 2: Convert to fraction form
    218,408.20/327,444.63 = 196,153.65/x
  3. Step 3: Cross multiply
    218,408.20x = 327,444.63 × 196,153.65
  4. Step 4: Simplify right side
    218,408.20x = 64,229,458,611.82
  5. Step 5: Solve for x
    x = 64,229,458,611.82/218,408.20
  6. Step 6: Final answer
    x = 294,079.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.