Home / 198,058.50-273,321.18-113,175.36

Finding the Fourth Proportional to 198,058.50, 273,321.18 and 113,175.36

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Solution

The fourth proportional to 198,058.50, 273,321.18 and 113,175.36 is: 156,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,058.50 : 273,321.18 = 113,175.36 : x
  2. Step 2: Convert to fraction form
    198,058.50/273,321.18 = 113,175.36/x
  3. Step 3: Cross multiply
    198,058.50x = 273,321.18 × 113,175.36
  4. Step 4: Simplify right side
    198,058.50x = 30,933,222,942.12
  5. Step 5: Solve for x
    x = 30,933,222,942.12/198,058.50
  6. Step 6: Final answer
    x = 156,182.25

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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.