Home / 172,393.20-258,035.76-92,231.16

Finding the Fourth Proportional to 172,393.20, 258,035.76 and 92,231.16

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Solution

The fourth proportional to 172,393.20, 258,035.76 and 92,231.16 is: 138,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,393.20 : 258,035.76 = 92,231.16 : x
  2. Step 2: Convert to fraction form
    172,393.20/258,035.76 = 92,231.16/x
  3. Step 3: Cross multiply
    172,393.20x = 258,035.76 × 92,231.16
  4. Step 4: Simplify right side
    172,393.20x = 23,798,937,466.28
  5. Step 5: Solve for x
    x = 23,798,937,466.28/172,393.20
  6. Step 6: Final answer
    x = 138,050.33

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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.