Home / 167,450.49-231,080.72-90,968.96

Finding the Fourth Proportional to 167,450.49, 231,080.72 and 90,968.96

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Solution

The fourth proportional to 167,450.49, 231,080.72 and 90,968.96 is: 125,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,450.49 : 231,080.72 = 90,968.96 : x
  2. Step 2: Convert to fraction form
    167,450.49/231,080.72 = 90,968.96/x
  3. Step 3: Cross multiply
    167,450.49x = 231,080.72 × 90,968.96
  4. Step 4: Simplify right side
    167,450.49x = 21,021,172,897.31
  5. Step 5: Solve for x
    x = 21,021,172,897.31/167,450.49
  6. Step 6: Final answer
    x = 125,536.65

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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.