Home / 148,621.16-222,939.30-55,105.04

Finding the Fourth Proportional to 148,621.16, 222,939.30 and 55,105.04

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Solution

The fourth proportional to 148,621.16, 222,939.30 and 55,105.04 is: 82,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,621.16 : 222,939.30 = 55,105.04 : x
  2. Step 2: Convert to fraction form
    148,621.16/222,939.30 = 55,105.04/x
  3. Step 3: Cross multiply
    148,621.16x = 222,939.30 × 55,105.04
  4. Step 4: Simplify right side
    148,621.16x = 12,285,079,044.07
  5. Step 5: Solve for x
    x = 12,285,079,044.07/148,621.16
  6. Step 6: Final answer
    x = 82,660.36

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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.