Home / 217,198.56-324,312.21-194,563.11

Finding the Fourth Proportional to 217,198.56, 324,312.21 and 194,563.11

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Solution

The fourth proportional to 217,198.56, 324,312.21 and 194,563.11 is: 290,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,198.56 : 324,312.21 = 194,563.11 : x
  2. Step 2: Convert to fraction form
    217,198.56/324,312.21 = 194,563.11/x
  3. Step 3: Cross multiply
    217,198.56x = 324,312.21 × 194,563.11
  4. Step 4: Simplify right side
    217,198.56x = 63,099,192,188.57
  5. Step 5: Solve for x
    x = 63,099,192,188.57/217,198.56
  6. Step 6: Final answer
    x = 290,513.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.