Home / 167,676.45-231,391.20-91,193.88

Finding the Fourth Proportional to 167,676.45, 231,391.20 and 91,193.88

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Solution

The fourth proportional to 167,676.45, 231,391.20 and 91,193.88 is: 125,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,676.45 : 231,391.20 = 91,193.88 : x
  2. Step 2: Convert to fraction form
    167,676.45/231,391.20 = 91,193.88/x
  3. Step 3: Cross multiply
    167,676.45x = 231,391.20 × 91,193.88
  4. Step 4: Simplify right side
    167,676.45x = 21,101,461,325.86
  5. Step 5: Solve for x
    x = 21,101,461,325.86/167,676.45
  6. Step 6: Final answer
    x = 125,846.30

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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.