Home / 204,427.47-306,619.64-54,682.88

Finding the Fourth Proportional to 204,427.47, 306,619.64 and 54,682.88

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Solution

The fourth proportional to 204,427.47, 306,619.64 and 54,682.88 is: 82,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,427.47 : 306,619.64 = 54,682.88 : x
  2. Step 2: Convert to fraction form
    204,427.47/306,619.64 = 54,682.88/x
  3. Step 3: Cross multiply
    204,427.47x = 306,619.64 × 54,682.88
  4. Step 4: Simplify right side
    204,427.47x = 16,766,843,173.25
  5. Step 5: Solve for x
    x = 16,766,843,173.25/204,427.47
  6. Step 6: Final answer
    x = 82,018.54

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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.