Home / 197,927.50-273,157.23-108,520.78

Finding the Fourth Proportional to 197,927.50, 273,157.23 and 108,520.78

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Solution

The fourth proportional to 197,927.50, 273,157.23 and 108,520.78 is: 149,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,927.50 : 273,157.23 = 108,520.78 : x
  2. Step 2: Convert to fraction form
    197,927.50/273,157.23 = 108,520.78/x
  3. Step 3: Cross multiply
    197,927.50x = 273,157.23 × 108,520.78
  4. Step 4: Simplify right side
    197,927.50x = 29,643,235,662.24
  5. Step 5: Solve for x
    x = 29,643,235,662.24/197,927.50
  6. Step 6: Final answer
    x = 149,768.15

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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.