Home / 167,620.36-231,313.53-91,138.84

Finding the Fourth Proportional to 167,620.36, 231,313.53 and 91,138.84

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Solution

The fourth proportional to 167,620.36, 231,313.53 and 91,138.84 is: 125,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,620.36 : 231,313.53 = 91,138.84 : x
  2. Step 2: Convert to fraction form
    167,620.36/231,313.53 = 91,138.84/x
  3. Step 3: Cross multiply
    167,620.36x = 231,313.53 × 91,138.84
  4. Step 4: Simplify right side
    167,620.36x = 21,081,647,431.42
  5. Step 5: Solve for x
    x = 21,081,647,431.42/167,620.36
  6. Step 6: Final answer
    x = 125,770.21

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1.5x scale

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.