Home / 217,200.56-324,315.19-194,565.11

Finding the Fourth Proportional to 217,200.56, 324,315.19 and 194,565.11

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Solution

The fourth proportional to 217,200.56, 324,315.19 and 194,565.11 is: 290,516.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,200.56 : 324,315.19 = 194,565.11 : x
  2. Step 2: Convert to fraction form
    217,200.56/324,315.19 = 194,565.11/x
  3. Step 3: Cross multiply
    217,200.56x = 324,315.19 × 194,565.11
  4. Step 4: Simplify right side
    217,200.56x = 63,100,420,617.02
  5. Step 5: Solve for x
    x = 63,100,420,617.02/217,200.56
  6. Step 6: Final answer
    x = 290,516.84

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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.