Home / 167,581.56-231,263.88-91,100.64

Finding the Fourth Proportional to 167,581.56, 231,263.88 and 91,100.64

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Solution

The fourth proportional to 167,581.56, 231,263.88 and 91,100.64 is: 125,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,581.56 : 231,263.88 = 91,100.64 : x
  2. Step 2: Convert to fraction form
    167,581.56/231,263.88 = 91,100.64/x
  3. Step 3: Cross multiply
    167,581.56x = 231,263.88 × 91,100.64
  4. Step 4: Simplify right side
    167,581.56x = 21,068,287,476.88
  5. Step 5: Solve for x
    x = 21,068,287,476.88/167,581.56
  6. Step 6: Final answer
    x = 125,719.60

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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.