Home / 171,003.04-256,556.40-82,231.36

Finding the Fourth Proportional to 171,003.04, 256,556.40 and 82,231.36

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Solution

The fourth proportional to 171,003.04, 256,556.40 and 82,231.36 is: 123,371.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,003.04 : 256,556.40 = 82,231.36 : x
  2. Step 2: Convert to fraction form
    171,003.04/256,556.40 = 82,231.36/x
  3. Step 3: Cross multiply
    171,003.04x = 256,556.40 × 82,231.36
  4. Step 4: Simplify right side
    171,003.04x = 21,096,981,688.70
  5. Step 5: Solve for x
    x = 21,096,981,688.70/171,003.04
  6. Step 6: Final answer
    x = 123,371.97

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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.