Home / 167,869.83-231,652.81-91,386.97

Finding the Fourth Proportional to 167,869.83, 231,652.81 and 91,386.97

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Solution

The fourth proportional to 167,869.83, 231,652.81 and 91,386.97 is: 126,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,869.83 : 231,652.81 = 91,386.97 : x
  2. Step 2: Convert to fraction form
    167,869.83/231,652.81 = 91,386.97/x
  3. Step 3: Cross multiply
    167,869.83x = 231,652.81 × 91,386.97
  4. Step 4: Simplify right side
    167,869.83x = 21,170,048,801.69
  5. Step 5: Solve for x
    x = 21,170,048,801.69/167,869.83
  6. Step 6: Final answer
    x = 126,109.91

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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.