Home / 204,220.85-306,345.92-54,460.35

Finding the Fourth Proportional to 204,220.85, 306,345.92 and 54,460.35

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Solution

The fourth proportional to 204,220.85, 306,345.92 and 54,460.35 is: 81,694.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,220.85 : 306,345.92 = 54,460.35 : x
  2. Step 2: Convert to fraction form
    204,220.85/306,345.92 = 54,460.35/x
  3. Step 3: Cross multiply
    204,220.85x = 306,345.92 × 54,460.35
  4. Step 4: Simplify right side
    204,220.85x = 16,683,705,751.97
  5. Step 5: Solve for x
    x = 16,683,705,751.97/204,220.85
  6. Step 6: Final answer
    x = 81,694.43

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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.