Home / 331,212.11-496,891.47-120,849.44

Finding the Fourth Proportional to 331,212.11, 496,891.47 and 120,849.44

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Solution

The fourth proportional to 331,212.11, 496,891.47 and 120,849.44 is: 181,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,212.11 : 496,891.47 = 120,849.44 : x
  2. Step 2: Convert to fraction form
    331,212.11/496,891.47 = 120,849.44/x
  3. Step 3: Cross multiply
    331,212.11x = 496,891.47 × 120,849.44
  4. Step 4: Simplify right side
    331,212.11x = 60,049,055,890.28
  5. Step 5: Solve for x
    x = 60,049,055,890.28/331,212.11
  6. Step 6: Final answer
    x = 181,300.91

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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.