Home / 198,480.96-273,902.58-107,836.29

Finding the Fourth Proportional to 198,480.96, 273,902.58 and 107,836.29

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Solution

The fourth proportional to 198,480.96, 273,902.58 and 107,836.29 is: 148,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,480.96 : 273,902.58 = 107,836.29 : x
  2. Step 2: Convert to fraction form
    198,480.96/273,902.58 = 107,836.29/x
  3. Step 3: Cross multiply
    198,480.96x = 273,902.58 × 107,836.29
  4. Step 4: Simplify right side
    198,480.96x = 29,536,638,048.63
  5. Step 5: Solve for x
    x = 29,536,638,048.63/198,480.96
  6. Step 6: Final answer
    x = 148,813.46

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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.