Home / 198,376.68-273,758.94-107,731.92

Finding the Fourth Proportional to 198,376.68, 273,758.94 and 107,731.92

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Solution

The fourth proportional to 198,376.68, 273,758.94 and 107,731.92 is: 148,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,376.68 : 273,758.94 = 107,731.92 : x
  2. Step 2: Convert to fraction form
    198,376.68/273,758.94 = 107,731.92/x
  3. Step 3: Cross multiply
    198,376.68x = 273,758.94 × 107,731.92
  4. Step 4: Simplify right side
    198,376.68x = 29,492,576,223.36
  5. Step 5: Solve for x
    x = 29,492,576,223.36/198,376.68
  6. Step 6: Final answer
    x = 148,669.57

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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.