Home / 198,140.01-273,433.17-113,258.90

Finding the Fourth Proportional to 198,140.01, 273,433.17 and 113,258.90

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Solution

The fourth proportional to 198,140.01, 273,433.17 and 113,258.90 is: 156,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,140.01 : 273,433.17 = 113,258.90 : x
  2. Step 2: Convert to fraction form
    198,140.01/273,433.17 = 113,258.90/x
  3. Step 3: Cross multiply
    198,140.01x = 273,433.17 × 113,258.90
  4. Step 4: Simplify right side
    198,140.01x = 30,968,738,690.55
  5. Step 5: Solve for x
    x = 30,968,738,690.55/198,140.01
  6. Step 6: Final answer
    x = 156,297.25

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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.