Home / 167,740.49-231,292.91-122,338.37

Finding the Fourth Proportional to 167,740.49, 231,292.91 and 122,338.37

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Solution

The fourth proportional to 167,740.49, 231,292.91 and 122,338.37 is: 168,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,740.49 : 231,292.91 = 122,338.37 : x
  2. Step 2: Convert to fraction form
    167,740.49/231,292.91 = 122,338.37/x
  3. Step 3: Cross multiply
    167,740.49x = 231,292.91 × 122,338.37
  4. Step 4: Simplify right side
    167,740.49x = 28,295,995,833.80
  5. Step 5: Solve for x
    x = 28,295,995,833.80/167,740.49
  6. Step 6: Final answer
    x = 168,689.13

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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.