Home / 204,505.40-306,767.70-64,268.60

Finding the Fourth Proportional to 204,505.40, 306,767.70 and 64,268.60

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Solution

The fourth proportional to 204,505.40, 306,767.70 and 64,268.60 is: 96,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,505.40 : 306,767.70 = 64,268.60 : x
  2. Step 2: Convert to fraction form
    204,505.40/306,767.70 = 64,268.60/x
  3. Step 3: Cross multiply
    204,505.40x = 306,767.70 × 64,268.60
  4. Step 4: Simplify right side
    204,505.40x = 19,715,530,604.22
  5. Step 5: Solve for x
    x = 19,715,530,604.22/204,505.40
  6. Step 6: Final answer
    x = 96,405.92

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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.