Home / 146,231.60-219,347.40-132,672.20

Finding the Fourth Proportional to 146,231.60, 219,347.40 and 132,672.20

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Solution

The fourth proportional to 146,231.60, 219,347.40 and 132,672.20 is: 199,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,231.60 : 219,347.40 = 132,672.20 : x
  2. Step 2: Convert to fraction form
    146,231.60/219,347.40 = 132,672.20/x
  3. Step 3: Cross multiply
    146,231.60x = 219,347.40 × 132,672.20
  4. Step 4: Simplify right side
    146,231.60x = 29,101,302,122.28
  5. Step 5: Solve for x
    x = 29,101,302,122.28/146,231.60
  6. Step 6: Final answer
    x = 199,008.30

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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.