Home / 167,072.36-230,562.18-91,615.88

Finding the Fourth Proportional to 167,072.36, 230,562.18 and 91,615.88

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Solution

The fourth proportional to 167,072.36, 230,562.18 and 91,615.88 is: 126,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,072.36 : 230,562.18 = 91,615.88 : x
  2. Step 2: Convert to fraction form
    167,072.36/230,562.18 = 91,615.88/x
  3. Step 3: Cross multiply
    167,072.36x = 230,562.18 × 91,615.88
  4. Step 4: Simplify right side
    167,072.36x = 21,123,157,015.42
  5. Step 5: Solve for x
    x = 21,123,157,015.42/167,072.36
  6. Step 6: Final answer
    x = 126,431.19

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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.