Home / 204,233.40-306,469.98-85,895.64

Finding the Fourth Proportional to 204,233.40, 306,469.98 and 85,895.64

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Solution

The fourth proportional to 204,233.40, 306,469.98 and 85,895.64 is: 128,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,233.40 : 306,469.98 = 85,895.64 : x
  2. Step 2: Convert to fraction form
    204,233.40/306,469.98 = 85,895.64/x
  3. Step 3: Cross multiply
    204,233.40x = 306,469.98 × 85,895.64
  4. Step 4: Simplify right side
    204,233.40x = 26,324,435,072.89
  5. Step 5: Solve for x
    x = 26,324,435,072.89/204,233.40
  6. Step 6: Final answer
    x = 128,893.88

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1.5x scale

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.