Home / 194,991.75-269,042.40-113,271.39

Finding the Fourth Proportional to 194,991.75, 269,042.40 and 113,271.39

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Solution

The fourth proportional to 194,991.75, 269,042.40 and 113,271.39 is: 156,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,991.75 : 269,042.40 = 113,271.39 : x
  2. Step 2: Convert to fraction form
    194,991.75/269,042.40 = 113,271.39/x
  3. Step 3: Cross multiply
    194,991.75x = 269,042.40 × 113,271.39
  4. Step 4: Simplify right side
    194,991.75x = 30,474,806,616.94
  5. Step 5: Solve for x
    x = 30,474,806,616.94/194,991.75
  6. Step 6: Final answer
    x = 156,287.67

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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.