Home / 198,186.94-273,420.12-113,258.44

Finding the Fourth Proportional to 198,186.94, 273,420.12 and 113,258.44

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Solution

The fourth proportional to 198,186.94, 273,420.12 and 113,258.44 is: 156,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,186.94 : 273,420.12 = 113,258.44 : x
  2. Step 2: Convert to fraction form
    198,186.94/273,420.12 = 113,258.44/x
  3. Step 3: Cross multiply
    198,186.94x = 273,420.12 × 113,258.44
  4. Step 4: Simplify right side
    198,186.94x = 30,967,136,255.81
  5. Step 5: Solve for x
    x = 30,967,136,255.81/198,186.94
  6. Step 6: Final answer
    x = 156,252.15

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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.