Home / 167,931.24-231,736.74-108,315.24

Finding the Fourth Proportional to 167,931.24, 231,736.74 and 108,315.24

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Solution

The fourth proportional to 167,931.24, 231,736.74 and 108,315.24 is: 149,469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,931.24 : 231,736.74 = 108,315.24 : x
  2. Step 2: Convert to fraction form
    167,931.24/231,736.74 = 108,315.24/x
  3. Step 3: Cross multiply
    167,931.24x = 231,736.74 × 108,315.24
  4. Step 4: Simplify right side
    167,931.24x = 25,100,620,609.92
  5. Step 5: Solve for x
    x = 25,100,620,609.92/167,931.24
  6. Step 6: Final answer
    x = 149,469.63

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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.