Home / 167,406.56-231,015.76-91,950.24

Finding the Fourth Proportional to 167,406.56, 231,015.76 and 91,950.24

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Solution

The fourth proportional to 167,406.56, 231,015.76 and 91,950.24 is: 126,888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,406.56 : 231,015.76 = 91,950.24 : x
  2. Step 2: Convert to fraction form
    167,406.56/231,015.76 = 91,950.24/x
  3. Step 3: Cross multiply
    167,406.56x = 231,015.76 × 91,950.24
  4. Step 4: Simplify right side
    167,406.56x = 21,241,954,575.78
  5. Step 5: Solve for x
    x = 21,241,954,575.78/167,406.56
  6. Step 6: Final answer
    x = 126,888.42

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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.