Home / 198,825.22-274,386.36-113,958.66

Finding the Fourth Proportional to 198,825.22, 274,386.36 and 113,958.66

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Solution

The fourth proportional to 198,825.22, 274,386.36 and 113,958.66 is: 157,267.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,825.22 : 274,386.36 = 113,958.66 : x
  2. Step 2: Convert to fraction form
    198,825.22/274,386.36 = 113,958.66/x
  3. Step 3: Cross multiply
    198,825.22x = 274,386.36 × 113,958.66
  4. Step 4: Simplify right side
    198,825.22x = 31,268,701,907.88
  5. Step 5: Solve for x
    x = 31,268,701,907.88/198,825.22
  6. Step 6: Final answer
    x = 157,267.28

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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.