Home / 331,212.18-496,826.49-120,850.14

Finding the Fourth Proportional to 331,212.18, 496,826.49 and 120,850.14

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Solution

The fourth proportional to 331,212.18, 496,826.49 and 120,850.14 is: 181,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,212.18 : 496,826.49 = 120,850.14 : x
  2. Step 2: Convert to fraction form
    331,212.18/496,826.49 = 120,850.14/x
  3. Step 3: Cross multiply
    331,212.18x = 496,826.49 × 120,850.14
  4. Step 4: Simplify right side
    331,212.18x = 60,041,550,872.21
  5. Step 5: Solve for x
    x = 60,041,550,872.21/331,212.18
  6. Step 6: Final answer
    x = 181,278.21

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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.