Home / 331,154.82-496,806.30-120,792.76

Finding the Fourth Proportional to 331,154.82, 496,806.30 and 120,792.76

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Solution

The fourth proportional to 331,154.82, 496,806.30 and 120,792.76 is: 181,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,154.82 : 496,806.30 = 120,792.76 : x
  2. Step 2: Convert to fraction form
    331,154.82/496,806.30 = 120,792.76/x
  3. Step 3: Cross multiply
    331,154.82x = 496,806.30 × 120,792.76
  4. Step 4: Simplify right side
    331,154.82x = 60,010,601,074.39
  5. Step 5: Solve for x
    x = 60,010,601,074.39/331,154.82
  6. Step 6: Final answer
    x = 181,216.15

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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.