Home / 204,082.02-306,145.36-69,243.44

Finding the Fourth Proportional to 204,082.02, 306,145.36 and 69,243.44

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Solution

The fourth proportional to 204,082.02, 306,145.36 and 69,243.44 is: 103,872.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,082.02 : 306,145.36 = 69,243.44 : x
  2. Step 2: Convert to fraction form
    204,082.02/306,145.36 = 69,243.44/x
  3. Step 3: Cross multiply
    204,082.02x = 306,145.36 × 69,243.44
  4. Step 4: Simplify right side
    204,082.02x = 21,198,557,866.44
  5. Step 5: Solve for x
    x = 21,198,557,866.44/204,082.02
  6. Step 6: Final answer
    x = 103,872.74

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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.