Home / 167,536.20-231,201.74-91,055.30

Finding the Fourth Proportional to 167,536.20, 231,201.74 and 91,055.30

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Solution

The fourth proportional to 167,536.20, 231,201.74 and 91,055.30 is: 125,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,536.20 : 231,201.74 = 91,055.30 : x
  2. Step 2: Convert to fraction form
    167,536.20/231,201.74 = 91,055.30/x
  3. Step 3: Cross multiply
    167,536.20x = 231,201.74 × 91,055.30
  4. Step 4: Simplify right side
    167,536.20x = 21,052,143,796.22
  5. Step 5: Solve for x
    x = 21,052,143,796.22/167,536.20
  6. Step 6: Final answer
    x = 125,657.28

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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.