Home / 217,082.27-325,670.18-67,319.55

Finding the Fourth Proportional to 217,082.27, 325,670.18 and 67,319.55

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Solution

The fourth proportional to 217,082.27, 325,670.18 and 67,319.55 is: 100,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,082.27 : 325,670.18 = 67,319.55 : x
  2. Step 2: Convert to fraction form
    217,082.27/325,670.18 = 67,319.55/x
  3. Step 3: Cross multiply
    217,082.27x = 325,670.18 × 67,319.55
  4. Step 4: Simplify right side
    217,082.27x = 21,923,969,629.42
  5. Step 5: Solve for x
    x = 21,923,969,629.42/217,082.27
  6. Step 6: Final answer
    x = 100,993.83

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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.