Home / 198,687.27-274,191.12-113,804.25

Finding the Fourth Proportional to 198,687.27, 274,191.12 and 113,804.25

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Solution

The fourth proportional to 198,687.27, 274,191.12 and 113,804.25 is: 157,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,687.27 : 274,191.12 = 113,804.25 : x
  2. Step 2: Convert to fraction form
    198,687.27/274,191.12 = 113,804.25/x
  3. Step 3: Cross multiply
    198,687.27x = 274,191.12 × 113,804.25
  4. Step 4: Simplify right side
    198,687.27x = 31,204,114,768.26
  5. Step 5: Solve for x
    x = 31,204,114,768.26/198,687.27
  6. Step 6: Final answer
    x = 157,051.40

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1.5x scale

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.