Home / 146,729.60-219,997.20-53,223.20

Finding the Fourth Proportional to 146,729.60, 219,997.20 and 53,223.20

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Solution

The fourth proportional to 146,729.60, 219,997.20 and 53,223.20 is: 79,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,729.60 : 219,997.20 = 53,223.20 : x
  2. Step 2: Convert to fraction form
    146,729.60/219,997.20 = 53,223.20/x
  3. Step 3: Cross multiply
    146,729.60x = 219,997.20 × 53,223.20
  4. Step 4: Simplify right side
    146,729.60x = 11,708,954,975.04
  5. Step 5: Solve for x
    x = 11,708,954,975.04/146,729.60
  6. Step 6: Final answer
    x = 79,799.54

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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.