Home / 204,426.91-306,618.80-54,682.31

Finding the Fourth Proportional to 204,426.91, 306,618.80 and 54,682.31

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Solution

The fourth proportional to 204,426.91, 306,618.80 and 54,682.31 is: 82,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,426.91 : 306,618.80 = 54,682.31 : x
  2. Step 2: Convert to fraction form
    204,426.91/306,618.80 = 54,682.31/x
  3. Step 3: Cross multiply
    204,426.91x = 306,618.80 × 54,682.31
  4. Step 4: Simplify right side
    204,426.91x = 16,766,624,000.02
  5. Step 5: Solve for x
    x = 16,766,624,000.02/204,426.91
  6. Step 6: Final answer
    x = 82,017.70

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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.