Home / 133,439.70-200,159.91-49,163.36

Finding the Fourth Proportional to 133,439.70, 200,159.91 and 49,163.36

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Solution

The fourth proportional to 133,439.70, 200,159.91 and 49,163.36 is: 73,745.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,439.70 : 200,159.91 = 49,163.36 : x
  2. Step 2: Convert to fraction form
    133,439.70/200,159.91 = 49,163.36/x
  3. Step 3: Cross multiply
    133,439.70x = 200,159.91 × 49,163.36
  4. Step 4: Simplify right side
    133,439.70x = 9,840,532,712.10
  5. Step 5: Solve for x
    x = 9,840,532,712.10/133,439.70
  6. Step 6: Final answer
    x = 73,745.16

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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.