Home / 138,846.05-208,269.76-33,665.02

Finding the Fourth Proportional to 138,846.05, 208,269.76 and 33,665.02

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Solution

The fourth proportional to 138,846.05, 208,269.76 and 33,665.02 is: 50,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,846.05 : 208,269.76 = 33,665.02 : x
  2. Step 2: Convert to fraction form
    138,846.05/208,269.76 = 33,665.02/x
  3. Step 3: Cross multiply
    138,846.05x = 208,269.76 × 33,665.02
  4. Step 4: Simplify right side
    138,846.05x = 7,011,405,635.80
  5. Step 5: Solve for x
    x = 7,011,405,635.80/138,846.05
  6. Step 6: Final answer
    x = 50,497.70

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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.