Home / 330,803.48-496,369.18-131,119.44

Finding the Fourth Proportional to 330,803.48, 496,369.18 and 131,119.44

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Solution

The fourth proportional to 330,803.48, 496,369.18 and 131,119.44 is: 196,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,803.48 : 496,369.18 = 131,119.44 : x
  2. Step 2: Convert to fraction form
    330,803.48/496,369.18 = 131,119.44/x
  3. Step 3: Cross multiply
    330,803.48x = 496,369.18 × 131,119.44
  4. Step 4: Simplify right side
    330,803.48x = 65,083,648,914.86
  5. Step 5: Solve for x
    x = 65,083,648,914.86/330,803.48
  6. Step 6: Final answer
    x = 196,744.15

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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.