Home / 331,148.61-496,796.99-120,786.54

Finding the Fourth Proportional to 331,148.61, 496,796.99 and 120,786.54

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Solution

The fourth proportional to 331,148.61, 496,796.99 and 120,786.54 is: 181,206.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,148.61 : 496,796.99 = 120,786.54 : x
  2. Step 2: Convert to fraction form
    331,148.61/496,796.99 = 120,786.54/x
  3. Step 3: Cross multiply
    331,148.61x = 496,796.99 × 120,786.54
  4. Step 4: Simplify right side
    331,148.61x = 60,006,388,900.58
  5. Step 5: Solve for x
    x = 60,006,388,900.58/331,148.61
  6. Step 6: Final answer
    x = 181,206.83

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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.