Home / 147,305.07-220,786.20-84,169.44

Finding the Fourth Proportional to 147,305.07, 220,786.20 and 84,169.44

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Solution

The fourth proportional to 147,305.07, 220,786.20 and 84,169.44 is: 126,156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,305.07 : 220,786.20 = 84,169.44 : x
  2. Step 2: Convert to fraction form
    147,305.07/220,786.20 = 84,169.44/x
  3. Step 3: Cross multiply
    147,305.07x = 220,786.20 × 84,169.44
  4. Step 4: Simplify right side
    147,305.07x = 18,583,450,813.73
  5. Step 5: Solve for x
    x = 18,583,450,813.73/147,305.07
  6. Step 6: Final answer
    x = 126,156.22

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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.