Home / 198,693.13-274,203.74-113,826.60

Finding the Fourth Proportional to 198,693.13, 274,203.74 and 113,826.60

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Solution

The fourth proportional to 198,693.13, 274,203.74 and 113,826.60 is: 157,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,693.13 : 274,203.74 = 113,826.60 : x
  2. Step 2: Convert to fraction form
    198,693.13/274,203.74 = 113,826.60/x
  3. Step 3: Cross multiply
    198,693.13x = 274,203.74 × 113,826.60
  4. Step 4: Simplify right side
    198,693.13x = 31,211,679,431.48
  5. Step 5: Solve for x
    x = 31,211,679,431.48/198,693.13
  6. Step 6: Final answer
    x = 157,084.84

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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.