Home / 204,072.40-306,108.60-141,086.80

Finding the Fourth Proportional to 204,072.40, 306,108.60 and 141,086.80

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Solution

The fourth proportional to 204,072.40, 306,108.60 and 141,086.80 is: 211,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,072.40 : 306,108.60 = 141,086.80 : x
  2. Step 2: Convert to fraction form
    204,072.40/306,108.60 = 141,086.80/x
  3. Step 3: Cross multiply
    204,072.40x = 306,108.60 × 141,086.80
  4. Step 4: Simplify right side
    204,072.40x = 43,187,882,826.48
  5. Step 5: Solve for x
    x = 43,187,882,826.48/204,072.40
  6. Step 6: Final answer
    x = 211,630.20

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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.