Home / 204,634.64-306,949.80-79,974.56

Finding the Fourth Proportional to 204,634.64, 306,949.80 and 79,974.56

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Solution

The fourth proportional to 204,634.64, 306,949.80 and 79,974.56 is: 119,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,634.64 : 306,949.80 = 79,974.56 : x
  2. Step 2: Convert to fraction form
    204,634.64/306,949.80 = 79,974.56/x
  3. Step 3: Cross multiply
    204,634.64x = 306,949.80 × 79,974.56
  4. Step 4: Simplify right side
    204,634.64x = 24,548,176,264.37
  5. Step 5: Solve for x
    x = 24,548,176,264.37/204,634.64
  6. Step 6: Final answer
    x = 119,961.00

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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.