Home / 167,716.96-231,453.63-91,240.36

Finding the Fourth Proportional to 167,716.96, 231,453.63 and 91,240.36

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Solution

The fourth proportional to 167,716.96, 231,453.63 and 91,240.36 is: 125,913.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,716.96 : 231,453.63 = 91,240.36 : x
  2. Step 2: Convert to fraction form
    167,716.96/231,453.63 = 91,240.36/x
  3. Step 3: Cross multiply
    167,716.96x = 231,453.63 × 91,240.36
  4. Step 4: Simplify right side
    167,716.96x = 21,117,911,945.87
  5. Step 5: Solve for x
    x = 21,117,911,945.87/167,716.96
  6. Step 6: Final answer
    x = 125,913.99

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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.