Home / 385,192.44-531,735.83-230,198.43

Finding the Fourth Proportional to 385,192.44, 531,735.83 and 230,198.43

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Solution

The fourth proportional to 385,192.44, 531,735.83 and 230,198.43 is: 317,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,192.44 : 531,735.83 = 230,198.43 : x
  2. Step 2: Convert to fraction form
    385,192.44/531,735.83 = 230,198.43/x
  3. Step 3: Cross multiply
    385,192.44x = 531,735.83 × 230,198.43
  4. Step 4: Simplify right side
    385,192.44x = 122,404,753,240.75
  5. Step 5: Solve for x
    x = 122,404,753,240.75/385,192.44
  6. Step 6: Final answer
    x = 317,775.59

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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.