Home / 217,205.28-327,287.73-178,626.60

Finding the Fourth Proportional to 217,205.28, 327,287.73 and 178,626.60

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Solution

The fourth proportional to 217,205.28, 327,287.73 and 178,626.60 is: 269,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,205.28 : 327,287.73 = 178,626.60 : x
  2. Step 2: Convert to fraction form
    217,205.28/327,287.73 = 178,626.60/x
  3. Step 3: Cross multiply
    217,205.28x = 327,287.73 × 178,626.60
  4. Step 4: Simplify right side
    217,205.28x = 58,462,294,431.62
  5. Step 5: Solve for x
    x = 58,462,294,431.62/217,205.28
  6. Step 6: Final answer
    x = 269,156.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.