Home / 198,438.54-273,837.24-107,792.64

Finding the Fourth Proportional to 198,438.54, 273,837.24 and 107,792.64

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Solution

The fourth proportional to 198,438.54, 273,837.24 and 107,792.64 is: 148,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,438.54 : 273,837.24 = 107,792.64 : x
  2. Step 2: Convert to fraction form
    198,438.54/273,837.24 = 107,792.64/x
  3. Step 3: Cross multiply
    198,438.54x = 273,837.24 × 107,792.64
  4. Step 4: Simplify right side
    198,438.54x = 29,517,639,029.91
  5. Step 5: Solve for x
    x = 29,517,639,029.91/198,438.54
  6. Step 6: Final answer
    x = 148,749.53

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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.