Home / 167,581.09-231,263.41-91,100.33

Finding the Fourth Proportional to 167,581.09, 231,263.41 and 91,100.33

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Solution

The fourth proportional to 167,581.09, 231,263.41 and 91,100.33 is: 125,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,581.09 : 231,263.41 = 91,100.33 : x
  2. Step 2: Convert to fraction form
    167,581.09/231,263.41 = 91,100.33/x
  3. Step 3: Cross multiply
    167,581.09x = 231,263.41 × 91,100.33
  4. Step 4: Simplify right side
    167,581.09x = 21,068,173,318.33
  5. Step 5: Solve for x
    x = 21,068,173,318.33/167,581.09
  6. Step 6: Final answer
    x = 125,719.28

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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.