Home / 167,979.72-231,812.64-92,528.04

Finding the Fourth Proportional to 167,979.72, 231,812.64 and 92,528.04

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Solution

The fourth proportional to 167,979.72, 231,812.64 and 92,528.04 is: 127,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,979.72 : 231,812.64 = 92,528.04 : x
  2. Step 2: Convert to fraction form
    167,979.72/231,812.64 = 92,528.04/x
  3. Step 3: Cross multiply
    167,979.72x = 231,812.64 × 92,528.04
  4. Step 4: Simplify right side
    167,979.72x = 21,449,169,226.43
  5. Step 5: Solve for x
    x = 21,449,169,226.43/167,979.72
  6. Step 6: Final answer
    x = 127,689.04

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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.