Home / 146,739.20-220,195.20-53,232.80

Finding the Fourth Proportional to 146,739.20, 220,195.20 and 53,232.80

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Solution

The fourth proportional to 146,739.20, 220,195.20 and 53,232.80 is: 79,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,739.20 : 220,195.20 = 53,232.80 : x
  2. Step 2: Convert to fraction form
    146,739.20/220,195.20 = 53,232.80/x
  3. Step 3: Cross multiply
    146,739.20x = 220,195.20 × 53,232.80
  4. Step 4: Simplify right side
    146,739.20x = 11,721,607,042.56
  5. Step 5: Solve for x
    x = 11,721,607,042.56/146,739.20
  6. Step 6: Final answer
    x = 79,880.54

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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.