Home / 167,430.08-231,052.56-91,976.96

Finding the Fourth Proportional to 167,430.08, 231,052.56 and 91,976.96

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Solution

The fourth proportional to 167,430.08, 231,052.56 and 91,976.96 is: 126,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,430.08 : 231,052.56 = 91,976.96 : x
  2. Step 2: Convert to fraction form
    167,430.08/231,052.56 = 91,976.96/x
  3. Step 3: Cross multiply
    167,430.08x = 231,052.56 × 91,976.96
  4. Step 4: Simplify right side
    167,430.08x = 21,251,512,069.02
  5. Step 5: Solve for x
    x = 21,251,512,069.02/167,430.08
  6. Step 6: Final answer
    x = 126,927.68

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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.