Home / 167,931.23-231,740.60-91,448.80

Finding the Fourth Proportional to 167,931.23, 231,740.60 and 91,448.80

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Solution

The fourth proportional to 167,931.23, 231,740.60 and 91,448.80 is: 126,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,931.23 : 231,740.60 = 91,448.80 : x
  2. Step 2: Convert to fraction form
    167,931.23/231,740.60 = 91,448.80/x
  3. Step 3: Cross multiply
    167,931.23x = 231,740.60 × 91,448.80
  4. Step 4: Simplify right side
    167,931.23x = 21,192,398,744.68
  5. Step 5: Solve for x
    x = 21,192,398,744.68/167,931.23
  6. Step 6: Final answer
    x = 126,196.89

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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.