Home / 167,790.49-231,546.26-91,307.86

Finding the Fourth Proportional to 167,790.49, 231,546.26 and 91,307.86

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Solution

The fourth proportional to 167,790.49, 231,546.26 and 91,307.86 is: 126,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,790.49 : 231,546.26 = 91,307.86 : x
  2. Step 2: Convert to fraction form
    167,790.49/231,546.26 = 91,307.86/x
  3. Step 3: Cross multiply
    167,790.49x = 231,546.26 × 91,307.86
  4. Step 4: Simplify right side
    167,790.49x = 21,141,993,141.01
  5. Step 5: Solve for x
    x = 21,141,993,141.01/167,790.49
  6. Step 6: Final answer
    x = 126,002.33

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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.