Home / 146,581.20-219,871.80-67,849.20

Finding the Fourth Proportional to 146,581.20, 219,871.80 and 67,849.20

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Solution

The fourth proportional to 146,581.20, 219,871.80 and 67,849.20 is: 101,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,581.20 : 219,871.80 = 67,849.20 : x
  2. Step 2: Convert to fraction form
    146,581.20/219,871.80 = 67,849.20/x
  3. Step 3: Cross multiply
    146,581.20x = 219,871.80 × 67,849.20
  4. Step 4: Simplify right side
    146,581.20x = 14,918,125,732.56
  5. Step 5: Solve for x
    x = 14,918,125,732.56/146,581.20
  6. Step 6: Final answer
    x = 101,773.80

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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.