Home / 198,188.46-273,500.19-113,307.30

Finding the Fourth Proportional to 198,188.46, 273,500.19 and 113,307.30

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Solution

The fourth proportional to 198,188.46, 273,500.19 and 113,307.30 is: 156,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,188.46 : 273,500.19 = 113,307.30 : x
  2. Step 2: Convert to fraction form
    198,188.46/273,500.19 = 113,307.30/x
  3. Step 3: Cross multiply
    198,188.46x = 273,500.19 × 113,307.30
  4. Step 4: Simplify right side
    198,188.46x = 30,989,568,078.39
  5. Step 5: Solve for x
    x = 30,989,568,078.39/198,188.46
  6. Step 6: Final answer
    x = 156,364.14

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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.