Home / 114,930.40-158,622.82-67,174.42

Finding the Fourth Proportional to 114,930.40, 158,622.82 and 67,174.42

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Solution

The fourth proportional to 114,930.40, 158,622.82 and 67,174.42 is: 92,711.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,930.40 : 158,622.82 = 67,174.42 : x
  2. Step 2: Convert to fraction form
    114,930.40/158,622.82 = 67,174.42/x
  3. Step 3: Cross multiply
    114,930.40x = 158,622.82 × 67,174.42
  4. Step 4: Simplify right side
    114,930.40x = 10,655,395,932.26
  5. Step 5: Solve for x
    x = 10,655,395,932.26/114,930.40
  6. Step 6: Final answer
    x = 92,711.73

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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.