Home / 325,164.30-448,753.28-187,386.09

Finding the Fourth Proportional to 325,164.30, 448,753.28 and 187,386.09

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Solution

The fourth proportional to 325,164.30, 448,753.28 and 187,386.09 is: 258,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,164.30 : 448,753.28 = 187,386.09 : x
  2. Step 2: Convert to fraction form
    325,164.30/448,753.28 = 187,386.09/x
  3. Step 3: Cross multiply
    325,164.30x = 448,753.28 × 187,386.09
  4. Step 4: Simplify right side
    325,164.30x = 84,090,122,513.88
  5. Step 5: Solve for x
    x = 84,090,122,513.88/325,164.30
  6. Step 6: Final answer
    x = 258,608.10

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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.