Home / 204,268.53-306,431.51-54,513.71

Finding the Fourth Proportional to 204,268.53, 306,431.51 and 54,513.71

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Solution

The fourth proportional to 204,268.53, 306,431.51 and 54,513.71 is: 81,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,268.53 : 306,431.51 = 54,513.71 : x
  2. Step 2: Convert to fraction form
    204,268.53/306,431.51 = 54,513.71/x
  3. Step 3: Cross multiply
    204,268.53x = 306,431.51 × 54,513.71
  4. Step 4: Simplify right side
    204,268.53x = 16,704,717,815.39
  5. Step 5: Solve for x
    x = 16,704,717,815.39/204,268.53
  6. Step 6: Final answer
    x = 81,778.22

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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.