Home / 198,270.37-273,613.85-107,626.51

Finding the Fourth Proportional to 198,270.37, 273,613.85 and 107,626.51

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Solution

The fourth proportional to 198,270.37, 273,613.85 and 107,626.51 is: 148,524.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,270.37 : 273,613.85 = 107,626.51 : x
  2. Step 2: Convert to fraction form
    198,270.37/273,613.85 = 107,626.51/x
  3. Step 3: Cross multiply
    198,270.37x = 273,613.85 × 107,626.51
  4. Step 4: Simplify right side
    198,270.37x = 29,448,103,763.16
  5. Step 5: Solve for x
    x = 29,448,103,763.16/198,270.37
  6. Step 6: Final answer
    x = 148,524.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.