Home / 330,793.22-496,353.78-131,109.18

Finding the Fourth Proportional to 330,793.22, 496,353.78 and 131,109.18

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Solution

The fourth proportional to 330,793.22, 496,353.78 and 131,109.18 is: 196,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,793.22 : 496,353.78 = 131,109.18 : x
  2. Step 2: Convert to fraction form
    330,793.22/496,353.78 = 131,109.18/x
  3. Step 3: Cross multiply
    330,793.22x = 496,353.78 × 131,109.18
  4. Step 4: Simplify right side
    330,793.22x = 65,076,537,085.70
  5. Step 5: Solve for x
    x = 65,076,537,085.70/330,793.22
  6. Step 6: Final answer
    x = 196,728.75

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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.