Home / 167,923.02-231,730.45-91,443.02

Finding the Fourth Proportional to 167,923.02, 231,730.45 and 91,443.02

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Solution

The fourth proportional to 167,923.02, 231,730.45 and 91,443.02 is: 126,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,923.02 : 231,730.45 = 91,443.02 : x
  2. Step 2: Convert to fraction form
    167,923.02/231,730.45 = 91,443.02/x
  3. Step 3: Cross multiply
    167,923.02x = 231,730.45 × 91,443.02
  4. Step 4: Simplify right side
    167,923.02x = 21,190,132,173.96
  5. Step 5: Solve for x
    x = 21,190,132,173.96/167,923.02
  6. Step 6: Final answer
    x = 126,189.56

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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.