Home / 318,318.73-439,273.20-175,076.44

Finding the Fourth Proportional to 318,318.73, 439,273.20 and 175,076.44

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Solution

The fourth proportional to 318,318.73, 439,273.20 and 175,076.44 is: 241,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,318.73 : 439,273.20 = 175,076.44 : x
  2. Step 2: Convert to fraction form
    318,318.73/439,273.20 = 175,076.44/x
  3. Step 3: Cross multiply
    318,318.73x = 439,273.20 × 175,076.44
  4. Step 4: Simplify right side
    318,318.73x = 76,906,388,043.41
  5. Step 5: Solve for x
    x = 76,906,388,043.41/318,318.73
  6. Step 6: Final answer
    x = 241,601.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.