Home / 117,836.70-176,650.26-42,942.78

Finding the Fourth Proportional to 117,836.70, 176,650.26 and 42,942.78

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Solution

The fourth proportional to 117,836.70, 176,650.26 and 42,942.78 is: 64,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,836.70 : 176,650.26 = 42,942.78 : x
  2. Step 2: Convert to fraction form
    117,836.70/176,650.26 = 42,942.78/x
  3. Step 3: Cross multiply
    117,836.70x = 176,650.26 × 42,942.78
  4. Step 4: Simplify right side
    117,836.70x = 7,585,853,252.12
  5. Step 5: Solve for x
    x = 7,585,853,252.12/117,836.70
  6. Step 6: Final answer
    x = 64,375.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.