Home / 148,608.89-222,532.73-81,974.96

Finding the Fourth Proportional to 148,608.89, 222,532.73 and 81,974.96

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Solution

The fourth proportional to 148,608.89, 222,532.73 and 81,974.96 is: 122,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,608.89 : 222,532.73 = 81,974.96 : x
  2. Step 2: Convert to fraction form
    148,608.89/222,532.73 = 81,974.96/x
  3. Step 3: Cross multiply
    148,608.89x = 222,532.73 × 81,974.96
  4. Step 4: Simplify right side
    148,608.89x = 18,242,111,640.44
  5. Step 5: Solve for x
    x = 18,242,111,640.44/148,608.89
  6. Step 6: Final answer
    x = 122,752.49

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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.