Home / 204,270.03-306,433.76-54,515.21

Finding the Fourth Proportional to 204,270.03, 306,433.76 and 54,515.21

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Solution

The fourth proportional to 204,270.03, 306,433.76 and 54,515.21 is: 81,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,270.03 : 306,433.76 = 54,515.21 : x
  2. Step 2: Convert to fraction form
    204,270.03/306,433.76 = 54,515.21/x
  3. Step 3: Cross multiply
    204,270.03x = 306,433.76 × 54,515.21
  4. Step 4: Simplify right side
    204,270.03x = 16,705,298,972.74
  5. Step 5: Solve for x
    x = 16,705,298,972.74/204,270.03
  6. Step 6: Final answer
    x = 81,780.47

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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.