Home / 194,749.76-268,757.28-109,866.56

Finding the Fourth Proportional to 194,749.76, 268,757.28 and 109,866.56

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Solution

The fourth proportional to 194,749.76, 268,757.28 and 109,866.56 is: 151,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,749.76 : 268,757.28 = 109,866.56 : x
  2. Step 2: Convert to fraction form
    194,749.76/268,757.28 = 109,866.56/x
  3. Step 3: Cross multiply
    194,749.76x = 268,757.28 × 109,866.56
  4. Step 4: Simplify right side
    194,749.76x = 29,527,437,828.56
  5. Step 5: Solve for x
    x = 29,527,437,828.56/194,749.76
  6. Step 6: Final answer
    x = 151,617.33

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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.