Home / 172,331.45-258,497.27-54,012.01

Finding the Fourth Proportional to 172,331.45, 258,497.27 and 54,012.01

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Solution

The fourth proportional to 172,331.45, 258,497.27 and 54,012.01 is: 81,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,331.45 : 258,497.27 = 54,012.01 : x
  2. Step 2: Convert to fraction form
    172,331.45/258,497.27 = 54,012.01/x
  3. Step 3: Cross multiply
    172,331.45x = 258,497.27 × 54,012.01
  4. Step 4: Simplify right side
    172,331.45x = 13,961,957,132.21
  5. Step 5: Solve for x
    x = 13,961,957,132.21/172,331.45
  6. Step 6: Final answer
    x = 81,018.04

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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.