Home / 167,988.96-231,758.28-116,988.12

Finding the Fourth Proportional to 167,988.96, 231,758.28 and 116,988.12

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Solution

The fourth proportional to 167,988.96, 231,758.28 and 116,988.12 is: 161,397.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,988.96 : 231,758.28 = 116,988.12 : x
  2. Step 2: Convert to fraction form
    167,988.96/231,758.28 = 116,988.12/x
  3. Step 3: Cross multiply
    167,988.96x = 231,758.28 × 116,988.12
  4. Step 4: Simplify right side
    167,988.96x = 27,112,965,471.63
  5. Step 5: Solve for x
    x = 27,112,965,471.63/167,988.96
  6. Step 6: Final answer
    x = 161,397.31

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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.