Home / 230,286.12-317,600.64-149,651.43

Finding the Fourth Proportional to 230,286.12, 317,600.64 and 149,651.43

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Solution

The fourth proportional to 230,286.12, 317,600.64 and 149,651.43 is: 206,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,286.12 : 317,600.64 = 149,651.43 : x
  2. Step 2: Convert to fraction form
    230,286.12/317,600.64 = 149,651.43/x
  3. Step 3: Cross multiply
    230,286.12x = 317,600.64 × 149,651.43
  4. Step 4: Simplify right side
    230,286.12x = 47,529,389,944.92
  5. Step 5: Solve for x
    x = 47,529,389,944.92/230,286.12
  6. Step 6: Final answer
    x = 206,392.77

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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.