Home / 172,418.01-258,634.30-60,109.48

Finding the Fourth Proportional to 172,418.01, 258,634.30 and 60,109.48

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Solution

The fourth proportional to 172,418.01, 258,634.30 and 60,109.48 is: 90,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,418.01 : 258,634.30 = 60,109.48 : x
  2. Step 2: Convert to fraction form
    172,418.01/258,634.30 = 60,109.48/x
  3. Step 3: Cross multiply
    172,418.01x = 258,634.30 × 60,109.48
  4. Step 4: Simplify right side
    172,418.01x = 15,546,373,283.16
  5. Step 5: Solve for x
    x = 15,546,373,283.16/172,418.01
  6. Step 6: Final answer
    x = 90,166.76

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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.