Home / 197,452.12-272,490.18-108,028.12

Finding the Fourth Proportional to 197,452.12, 272,490.18 and 108,028.12

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Solution

The fourth proportional to 197,452.12, 272,490.18 and 108,028.12 is: 149,082.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,452.12 : 272,490.18 = 108,028.12 : x
  2. Step 2: Convert to fraction form
    197,452.12/272,490.18 = 108,028.12/x
  3. Step 3: Cross multiply
    197,452.12x = 272,490.18 × 108,028.12
  4. Step 4: Simplify right side
    197,452.12x = 29,436,601,863.86
  5. Step 5: Solve for x
    x = 29,436,601,863.86/197,452.12
  6. Step 6: Final answer
    x = 149,082.23

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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.