Home / 167,491.80-231,137.64-91,010.52

Finding the Fourth Proportional to 167,491.80, 231,137.64 and 91,010.52

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Solution

The fourth proportional to 167,491.80, 231,137.64 and 91,010.52 is: 125,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,491.80 : 231,137.64 = 91,010.52 : x
  2. Step 2: Convert to fraction form
    167,491.80/231,137.64 = 91,010.52/x
  3. Step 3: Cross multiply
    167,491.80x = 231,137.64 × 91,010.52
  4. Step 4: Simplify right side
    167,491.80x = 21,035,956,807.97
  5. Step 5: Solve for x
    x = 21,035,956,807.97/167,491.80
  6. Step 6: Final answer
    x = 125,593.95

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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.