Home / 172,330.20-258,495.44-54,010.73

Finding the Fourth Proportional to 172,330.20, 258,495.44 and 54,010.73

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Solution

The fourth proportional to 172,330.20, 258,495.44 and 54,010.73 is: 81,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,330.20 : 258,495.44 = 54,010.73 : x
  2. Step 2: Convert to fraction form
    172,330.20/258,495.44 = 54,010.73/x
  3. Step 3: Cross multiply
    172,330.20x = 258,495.44 × 54,010.73
  4. Step 4: Simplify right side
    172,330.20x = 13,961,527,792.26
  5. Step 5: Solve for x
    x = 13,961,527,792.26/172,330.20
  6. Step 6: Final answer
    x = 81,016.14

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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.