Home / 167,501.71-231,153.30-91,021.44

Finding the Fourth Proportional to 167,501.71, 231,153.30 and 91,021.44

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Solution

The fourth proportional to 167,501.71, 231,153.30 and 91,021.44 is: 125,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,501.71 : 231,153.30 = 91,021.44 : x
  2. Step 2: Convert to fraction form
    167,501.71/231,153.30 = 91,021.44/x
  3. Step 3: Cross multiply
    167,501.71x = 231,153.30 × 91,021.44
  4. Step 4: Simplify right side
    167,501.71x = 21,039,906,226.75
  5. Step 5: Solve for x
    x = 21,039,906,226.75/167,501.71
  6. Step 6: Final answer
    x = 125,610.10

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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.