Home / 198,771.03-274,311.24-113,904.51

Finding the Fourth Proportional to 198,771.03, 274,311.24 and 113,904.51

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Solution

The fourth proportional to 198,771.03, 274,311.24 and 113,904.51 is: 157,192.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,771.03 : 274,311.24 = 113,904.51 : x
  2. Step 2: Convert to fraction form
    198,771.03/274,311.24 = 113,904.51/x
  3. Step 3: Cross multiply
    198,771.03x = 274,311.24 × 113,904.51
  4. Step 4: Simplify right side
    198,771.03x = 31,245,287,379.69
  5. Step 5: Solve for x
    x = 31,245,287,379.69/198,771.03
  6. Step 6: Final answer
    x = 157,192.36

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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.