Home / 204,426.16-306,617.67-54,681.56

Finding the Fourth Proportional to 204,426.16, 306,617.67 and 54,681.56

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Solution

The fourth proportional to 204,426.16, 306,617.67 and 54,681.56 is: 82,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,426.16 : 306,617.67 = 54,681.56 : x
  2. Step 2: Convert to fraction form
    204,426.16/306,617.67 = 54,681.56/x
  3. Step 3: Cross multiply
    204,426.16x = 306,617.67 × 54,681.56
  4. Step 4: Simplify right side
    204,426.16x = 16,766,332,135.89
  5. Step 5: Solve for x
    x = 16,766,332,135.89/204,426.16
  6. Step 6: Final answer
    x = 82,016.57

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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.