Home / 167,966.10-231,789.74-91,486.08

Finding the Fourth Proportional to 167,966.10, 231,789.74 and 91,486.08

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Solution

The fourth proportional to 167,966.10, 231,789.74 and 91,486.08 is: 126,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,966.10 : 231,789.74 = 91,486.08 : x
  2. Step 2: Convert to fraction form
    167,966.10/231,789.74 = 91,486.08/x
  3. Step 3: Cross multiply
    167,966.10x = 231,789.74 × 91,486.08
  4. Step 4: Simplify right side
    167,966.10x = 21,205,534,239.39
  5. Step 5: Solve for x
    x = 21,205,534,239.39/167,966.10
  6. Step 6: Final answer
    x = 126,248.89

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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.