Home / 198,211.44-273,540.12-113,328.48

Finding the Fourth Proportional to 198,211.44, 273,540.12 and 113,328.48

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Solution

The fourth proportional to 198,211.44, 273,540.12 and 113,328.48 is: 156,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,211.44 : 273,540.12 = 113,328.48 : x
  2. Step 2: Convert to fraction form
    198,211.44/273,540.12 = 113,328.48/x
  3. Step 3: Cross multiply
    198,211.44x = 273,540.12 × 113,328.48
  4. Step 4: Simplify right side
    198,211.44x = 30,999,886,018.62
  5. Step 5: Solve for x
    x = 30,999,886,018.62/198,211.44
  6. Step 6: Final answer
    x = 156,398.07

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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.