Home / 146,121.20-219,268.20-52,614.80

Finding the Fourth Proportional to 146,121.20, 219,268.20 and 52,614.80

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Solution

The fourth proportional to 146,121.20, 219,268.20 and 52,614.80 is: 78,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,121.20 : 219,268.20 = 52,614.80 : x
  2. Step 2: Convert to fraction form
    146,121.20/219,268.20 = 52,614.80/x
  3. Step 3: Cross multiply
    146,121.20x = 219,268.20 × 52,614.80
  4. Step 4: Simplify right side
    146,121.20x = 11,536,752,489.36
  5. Step 5: Solve for x
    x = 11,536,752,489.36/146,121.20
  6. Step 6: Final answer
    x = 78,953.31

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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.