Home / 204,058.41-306,087.21-54,298.68

Finding the Fourth Proportional to 204,058.41, 306,087.21 and 54,298.68

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Solution

The fourth proportional to 204,058.41, 306,087.21 and 54,298.68 is: 81,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,058.41 : 306,087.21 = 54,298.68 : x
  2. Step 2: Convert to fraction form
    204,058.41/306,087.21 = 54,298.68/x
  3. Step 3: Cross multiply
    204,058.41x = 306,087.21 × 54,298.68
  4. Step 4: Simplify right side
    204,058.41x = 16,620,131,467.88
  5. Step 5: Solve for x
    x = 16,620,131,467.88/204,058.41
  6. Step 6: Final answer
    x = 81,447.91

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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.