Home / 198,064.50-273,329.46-113,181.36

Finding the Fourth Proportional to 198,064.50, 273,329.46 and 113,181.36

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Solution

The fourth proportional to 198,064.50, 273,329.46 and 113,181.36 is: 156,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,064.50 : 273,329.46 = 113,181.36 : x
  2. Step 2: Convert to fraction form
    198,064.50/273,329.46 = 113,181.36/x
  3. Step 3: Cross multiply
    198,064.50x = 273,329.46 × 113,181.36
  4. Step 4: Simplify right side
    198,064.50x = 30,935,800,010.87
  5. Step 5: Solve for x
    x = 30,935,800,010.87/198,064.50
  6. Step 6: Final answer
    x = 156,190.53

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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.