Home / 325,487.26-449,177.04-187,663.43

Finding the Fourth Proportional to 325,487.26, 449,177.04 and 187,663.43

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Solution

The fourth proportional to 325,487.26, 449,177.04 and 187,663.43 is: 258,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,487.26 : 449,177.04 = 187,663.43 : x
  2. Step 2: Convert to fraction form
    325,487.26/449,177.04 = 187,663.43/x
  3. Step 3: Cross multiply
    325,487.26x = 449,177.04 × 187,663.43
  4. Step 4: Simplify right side
    325,487.26x = 84,294,104,003.65
  5. Step 5: Solve for x
    x = 84,294,104,003.65/325,487.26
  6. Step 6: Final answer
    x = 258,978.20

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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.