Home / 204,093.89-306,135.21-54,335.48

Finding the Fourth Proportional to 204,093.89, 306,135.21 and 54,335.48

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Solution

The fourth proportional to 204,093.89, 306,135.21 and 54,335.48 is: 81,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,093.89 : 306,135.21 = 54,335.48 : x
  2. Step 2: Convert to fraction form
    204,093.89/306,135.21 = 54,335.48/x
  3. Step 3: Cross multiply
    204,093.89x = 306,135.21 × 54,335.48
  4. Step 4: Simplify right side
    204,093.89x = 16,634,004,377.89
  5. Step 5: Solve for x
    x = 16,634,004,377.89/204,093.89
  6. Step 6: Final answer
    x = 81,501.72

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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.