Home / 167,980.75-231,824.37-111,403.06

Finding the Fourth Proportional to 167,980.75, 231,824.37 and 111,403.06

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Solution

The fourth proportional to 167,980.75, 231,824.37 and 111,403.06 is: 153,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,980.75 : 231,824.37 = 111,403.06 : x
  2. Step 2: Convert to fraction form
    167,980.75/231,824.37 = 111,403.06/x
  3. Step 3: Cross multiply
    167,980.75x = 231,824.37 × 111,403.06
  4. Step 4: Simplify right side
    167,980.75x = 25,825,944,200.57
  5. Step 5: Solve for x
    x = 25,825,944,200.57/167,980.75
  6. Step 6: Final answer
    x = 153,743.47

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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.