Home / 167,789.39-231,554.21-91,313.42

Finding the Fourth Proportional to 167,789.39, 231,554.21 and 91,313.42

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Solution

The fourth proportional to 167,789.39, 231,554.21 and 91,313.42 is: 126,015.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,789.39 : 231,554.21 = 91,313.42 : x
  2. Step 2: Convert to fraction form
    167,789.39/231,554.21 = 91,313.42/x
  3. Step 3: Cross multiply
    167,789.39x = 231,554.21 × 91,313.42
  4. Step 4: Simplify right side
    167,789.39x = 21,144,005,216.16
  5. Step 5: Solve for x
    x = 21,144,005,216.16/167,789.39
  6. Step 6: Final answer
    x = 126,015.15

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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.