Home / 167,764.30-231,507.79-91,283.69

Finding the Fourth Proportional to 167,764.30, 231,507.79 and 91,283.69

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Solution

The fourth proportional to 167,764.30, 231,507.79 and 91,283.69 is: 125,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,764.30 : 231,507.79 = 91,283.69 : x
  2. Step 2: Convert to fraction form
    167,764.30/231,507.79 = 91,283.69/x
  3. Step 3: Cross multiply
    167,764.30x = 231,507.79 × 91,283.69
  4. Step 4: Simplify right side
    167,764.30x = 21,132,885,685.51
  5. Step 5: Solve for x
    x = 21,132,885,685.51/167,764.30
  6. Step 6: Final answer
    x = 125,967.72

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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.