Home / 331,151.99-496,802.04-120,789.92

Finding the Fourth Proportional to 331,151.99, 496,802.04 and 120,789.92

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Solution

The fourth proportional to 331,151.99, 496,802.04 and 120,789.92 is: 181,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,151.99 : 496,802.04 = 120,789.92 : x
  2. Step 2: Convert to fraction form
    331,151.99/496,802.04 = 120,789.92/x
  3. Step 3: Cross multiply
    331,151.99x = 496,802.04 × 120,789.92
  4. Step 4: Simplify right side
    331,151.99x = 60,008,676,183.43
  5. Step 5: Solve for x
    x = 60,008,676,183.43/331,151.99
  6. Step 6: Final answer
    x = 181,211.89

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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.