Home / 167,860.08-231,647.04-91,378.80

Finding the Fourth Proportional to 167,860.08, 231,647.04 and 91,378.80

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Solution

The fourth proportional to 167,860.08, 231,647.04 and 91,378.80 is: 126,102.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,860.08 : 231,647.04 = 91,378.80 : x
  2. Step 2: Convert to fraction form
    167,860.08/231,647.04 = 91,378.80/x
  3. Step 3: Cross multiply
    167,860.08x = 231,647.04 × 91,378.80
  4. Step 4: Simplify right side
    167,860.08x = 21,167,628,538.75
  5. Step 5: Solve for x
    x = 21,167,628,538.75/167,860.08
  6. Step 6: Final answer
    x = 126,102.81

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1.5x scale

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.