Home / 167,654.40-231,364.70-91,175.14

Finding the Fourth Proportional to 167,654.40, 231,364.70 and 91,175.14

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Solution

The fourth proportional to 167,654.40, 231,364.70 and 91,175.14 is: 125,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,654.40 : 231,364.70 = 91,175.14 : x
  2. Step 2: Convert to fraction form
    167,654.40/231,364.70 = 91,175.14/x
  3. Step 3: Cross multiply
    167,654.40x = 231,364.70 × 91,175.14
  4. Step 4: Simplify right side
    167,654.40x = 21,094,708,913.56
  5. Step 5: Solve for x
    x = 21,094,708,913.56/167,654.40
  6. Step 6: Final answer
    x = 125,822.58

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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.