Home / 330,949.16-496,324.77-120,537.89

Finding the Fourth Proportional to 330,949.16, 496,324.77 and 120,537.89

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Solution

The fourth proportional to 330,949.16, 496,324.77 and 120,537.89 is: 180,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,949.16 : 496,324.77 = 120,537.89 : x
  2. Step 2: Convert to fraction form
    330,949.16/496,324.77 = 120,537.89/x
  3. Step 3: Cross multiply
    330,949.16x = 496,324.77 × 120,537.89
  4. Step 4: Simplify right side
    330,949.16x = 59,825,938,048.91
  5. Step 5: Solve for x
    x = 59,825,938,048.91/330,949.16
  6. Step 6: Final answer
    x = 180,770.78

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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.