Home / 138,845.05-208,268.26-33,664.02

Finding the Fourth Proportional to 138,845.05, 208,268.26 and 33,664.02

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Solution

The fourth proportional to 138,845.05, 208,268.26 and 33,664.02 is: 50,496.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,845.05 : 208,268.26 = 33,664.02 : x
  2. Step 2: Convert to fraction form
    138,845.05/208,268.26 = 33,664.02/x
  3. Step 3: Cross multiply
    138,845.05x = 208,268.26 × 33,664.02
  4. Step 4: Simplify right side
    138,845.05x = 7,011,145,660.34
  5. Step 5: Solve for x
    x = 7,011,145,660.34/138,845.05
  6. Step 6: Final answer
    x = 50,496.19

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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.