Home / 204,145.41-306,193.68-54,396.66

Finding the Fourth Proportional to 204,145.41, 306,193.68 and 54,396.66

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Solution

The fourth proportional to 204,145.41, 306,193.68 and 54,396.66 is: 81,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,145.41 : 306,193.68 = 54,396.66 : x
  2. Step 2: Convert to fraction form
    204,145.41/306,193.68 = 54,396.66/x
  3. Step 3: Cross multiply
    204,145.41x = 306,193.68 × 54,396.66
  4. Step 4: Simplify right side
    204,145.41x = 16,655,913,505.11
  5. Step 5: Solve for x
    x = 16,655,913,505.11/204,145.41
  6. Step 6: Final answer
    x = 81,588.48

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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.