Home / 198,377.52-273,808.62-113,543.80

Finding the Fourth Proportional to 198,377.52, 273,808.62 and 113,543.80

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Solution

The fourth proportional to 198,377.52, 273,808.62 and 113,543.80 is: 156,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,377.52 : 273,808.62 = 113,543.80 : x
  2. Step 2: Convert to fraction form
    198,377.52/273,808.62 = 113,543.80/x
  3. Step 3: Cross multiply
    198,377.52x = 273,808.62 × 113,543.80
  4. Step 4: Simplify right side
    198,377.52x = 31,089,271,187.56
  5. Step 5: Solve for x
    x = 31,089,271,187.56/198,377.52
  6. Step 6: Final answer
    x = 156,717.71

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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.