Home / 168,051.74-231,908.39-91,571.50

Finding the Fourth Proportional to 168,051.74, 231,908.39 and 91,571.50

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Solution

The fourth proportional to 168,051.74, 231,908.39 and 91,571.50 is: 126,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,051.74 : 231,908.39 = 91,571.50 : x
  2. Step 2: Convert to fraction form
    168,051.74/231,908.39 = 91,571.50/x
  3. Step 3: Cross multiply
    168,051.74x = 231,908.39 × 91,571.50
  4. Step 4: Simplify right side
    168,051.74x = 21,236,198,263.37
  5. Step 5: Solve for x
    x = 21,236,198,263.37/168,051.74
  6. Step 6: Final answer
    x = 126,367.03

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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.