Home / 138,735.95-208,104.03-33,555.02

Finding the Fourth Proportional to 138,735.95, 208,104.03 and 33,555.02

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Solution

The fourth proportional to 138,735.95, 208,104.03 and 33,555.02 is: 50,332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,735.95 : 208,104.03 = 33,555.02 : x
  2. Step 2: Convert to fraction form
    138,735.95/208,104.03 = 33,555.02/x
  3. Step 3: Cross multiply
    138,735.95x = 208,104.03 × 33,555.02
  4. Step 4: Simplify right side
    138,735.95x = 6,982,935,408.99
  5. Step 5: Solve for x
    x = 6,982,935,408.99/138,735.95
  6. Step 6: Final answer
    x = 50,332.56

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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.