Home / 330,977.49-496,540.05-120,615.43

Finding the Fourth Proportional to 330,977.49, 496,540.05 and 120,615.43

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Solution

The fourth proportional to 330,977.49, 496,540.05 and 120,615.43 is: 180,950.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,977.49 : 496,540.05 = 120,615.43 : x
  2. Step 2: Convert to fraction form
    330,977.49/496,540.05 = 120,615.43/x
  3. Step 3: Cross multiply
    330,977.49x = 496,540.05 × 120,615.43
  4. Step 4: Simplify right side
    330,977.49x = 59,890,391,642.97
  5. Step 5: Solve for x
    x = 59,890,391,642.97/330,977.49
  6. Step 6: Final answer
    x = 180,950.04

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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.