Home / 167,436.76-231,062.46-91,985.32

Finding the Fourth Proportional to 167,436.76, 231,062.46 and 91,985.32

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Solution

The fourth proportional to 167,436.76, 231,062.46 and 91,985.32 is: 126,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,436.76 : 231,062.46 = 91,985.32 : x
  2. Step 2: Convert to fraction form
    167,436.76/231,062.46 = 91,985.32/x
  3. Step 3: Cross multiply
    167,436.76x = 231,062.46 × 91,985.32
  4. Step 4: Simplify right side
    167,436.76x = 21,254,354,323.09
  5. Step 5: Solve for x
    x = 21,254,354,323.09/167,436.76
  6. Step 6: Final answer
    x = 126,939.59

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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.