Home / 146,542.20-219,157.20-122,922.60

Finding the Fourth Proportional to 146,542.20, 219,157.20 and 122,922.60

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Solution

The fourth proportional to 146,542.20, 219,157.20 and 122,922.60 is: 183,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,542.20 : 219,157.20 = 122,922.60 : x
  2. Step 2: Convert to fraction form
    146,542.20/219,157.20 = 122,922.60/x
  3. Step 3: Cross multiply
    146,542.20x = 219,157.20 × 122,922.60
  4. Step 4: Simplify right side
    146,542.20x = 26,939,372,832.72
  5. Step 5: Solve for x
    x = 26,939,372,832.72/146,542.20
  6. Step 6: Final answer
    x = 183,833.55

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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.