Home / 167,979.96-231,745.86-116,979.12

Finding the Fourth Proportional to 167,979.96, 231,745.86 and 116,979.12

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Solution

The fourth proportional to 167,979.96, 231,745.86 and 116,979.12 is: 161,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,979.96 : 231,745.86 = 116,979.12 : x
  2. Step 2: Convert to fraction form
    167,979.96/231,745.86 = 116,979.12/x
  3. Step 3: Cross multiply
    167,979.96x = 231,745.86 × 116,979.12
  4. Step 4: Simplify right side
    167,979.96x = 27,109,426,766.44
  5. Step 5: Solve for x
    x = 27,109,426,766.44/167,979.96
  6. Step 6: Final answer
    x = 161,384.89

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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.