Home / 198,820.22-274,379.46-113,953.66

Finding the Fourth Proportional to 198,820.22, 274,379.46 and 113,953.66

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Solution

The fourth proportional to 198,820.22, 274,379.46 and 113,953.66 is: 157,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,820.22 : 274,379.46 = 113,953.66 : x
  2. Step 2: Convert to fraction form
    198,820.22/274,379.46 = 113,953.66/x
  3. Step 3: Cross multiply
    198,820.22x = 274,379.46 × 113,953.66
  4. Step 4: Simplify right side
    198,820.22x = 31,266,543,695.82
  5. Step 5: Solve for x
    x = 31,266,543,695.82/198,820.22
  6. Step 6: Final answer
    x = 157,260.38

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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.