Home / 208,082.12-311,991.58-114,653.48

Finding the Fourth Proportional to 208,082.12, 311,991.58 and 114,653.48

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Solution

The fourth proportional to 208,082.12, 311,991.58 and 114,653.48 is: 171,907.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,082.12 : 311,991.58 = 114,653.48 : x
  2. Step 2: Convert to fraction form
    208,082.12/311,991.58 = 114,653.48/x
  3. Step 3: Cross multiply
    208,082.12x = 311,991.58 × 114,653.48
  4. Step 4: Simplify right side
    208,082.12x = 35,770,920,377.70
  5. Step 5: Solve for x
    x = 35,770,920,377.70/208,082.12
  6. Step 6: Final answer
    x = 171,907.71

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1.5x scale

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.