Home / 193,087.92-289,576.44-66,695.28

Finding the Fourth Proportional to 193,087.92, 289,576.44 and 66,695.28

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Solution

The fourth proportional to 193,087.92, 289,576.44 and 66,695.28 is: 100,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,087.92 : 289,576.44 = 66,695.28 : x
  2. Step 2: Convert to fraction form
    193,087.92/289,576.44 = 66,695.28/x
  3. Step 3: Cross multiply
    193,087.92x = 289,576.44 × 66,695.28
  4. Step 4: Simplify right side
    193,087.92x = 19,313,381,747.20
  5. Step 5: Solve for x
    x = 19,313,381,747.20/193,087.92
  6. Step 6: Final answer
    x = 100,023.77

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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.