Home / 168,039.09-231,910.29-125,523.81

Finding the Fourth Proportional to 168,039.09, 231,910.29 and 125,523.81

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Solution

The fourth proportional to 168,039.09, 231,910.29 and 125,523.81 is: 173,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,039.09 : 231,910.29 = 125,523.81 : x
  2. Step 2: Convert to fraction form
    168,039.09/231,910.29 = 125,523.81/x
  3. Step 3: Cross multiply
    168,039.09x = 231,910.29 × 125,523.81
  4. Step 4: Simplify right side
    168,039.09x = 29,110,263,179.00
  5. Step 5: Solve for x
    x = 29,110,263,179.00/168,039.09
  6. Step 6: Final answer
    x = 173,235.07

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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.