Home / 167,976.35-231,805.38-91,495.21

Finding the Fourth Proportional to 167,976.35, 231,805.38 and 91,495.21

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Solution

The fourth proportional to 167,976.35, 231,805.38 and 91,495.21 is: 126,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,976.35 : 231,805.38 = 91,495.21 : x
  2. Step 2: Convert to fraction form
    167,976.35/231,805.38 = 91,495.21/x
  3. Step 3: Cross multiply
    167,976.35x = 231,805.38 × 91,495.21
  4. Step 4: Simplify right side
    167,976.35x = 21,209,081,922.23
  5. Step 5: Solve for x
    x = 21,209,081,922.23/167,976.35
  6. Step 6: Final answer
    x = 126,262.31

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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.