Home / 220,584.18-330,876.33-54,372.18

Finding the Fourth Proportional to 220,584.18, 330,876.33 and 54,372.18

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Solution

The fourth proportional to 220,584.18, 330,876.33 and 54,372.18 is: 81,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,584.18 : 330,876.33 = 54,372.18 : x
  2. Step 2: Convert to fraction form
    220,584.18/330,876.33 = 54,372.18/x
  3. Step 3: Cross multiply
    220,584.18x = 330,876.33 × 54,372.18
  4. Step 4: Simplify right side
    220,584.18x = 17,990,467,372.50
  5. Step 5: Solve for x
    x = 17,990,467,372.50/220,584.18
  6. Step 6: Final answer
    x = 81,558.28

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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.