Home / 167,582.97-231,266-91,102.21

Finding the Fourth Proportional to 167,582.97, 231,266 and 91,102.21

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Solution

The fourth proportional to 167,582.97, 231,266 and 91,102.21 is: 125,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,582.97 : 231,266 = 91,102.21 : x
  2. Step 2: Convert to fraction form
    167,582.97/231,266 = 91,102.21/x
  3. Step 3: Cross multiply
    167,582.97x = 231,266 × 91,102.21
  4. Step 4: Simplify right side
    167,582.97x = 21,068,843,697.86
  5. Step 5: Solve for x
    x = 21,068,843,697.86/167,582.97
  6. Step 6: Final answer
    x = 125,721.87

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Double scale
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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.