Home / 204,540.72-306,860.28-64,299.24

Finding the Fourth Proportional to 204,540.72, 306,860.28 and 64,299.24

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Solution

The fourth proportional to 204,540.72, 306,860.28 and 64,299.24 is: 96,464.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,540.72 : 306,860.28 = 64,299.24 : x
  2. Step 2: Convert to fraction form
    204,540.72/306,860.28 = 64,299.24/x
  3. Step 3: Cross multiply
    204,540.72x = 306,860.28 × 64,299.24
  4. Step 4: Simplify right side
    204,540.72x = 19,730,882,790.19
  5. Step 5: Solve for x
    x = 19,730,882,790.19/204,540.72
  6. Step 6: Final answer
    x = 96,464.33

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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.