Home / 138,789.83-208,184.01-33,608.79

Finding the Fourth Proportional to 138,789.83, 208,184.01 and 33,608.79

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Solution

The fourth proportional to 138,789.83, 208,184.01 and 33,608.79 is: 50,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,789.83 : 208,184.01 = 33,608.79 : x
  2. Step 2: Convert to fraction form
    138,789.83/208,184.01 = 33,608.79/x
  3. Step 3: Cross multiply
    138,789.83x = 208,184.01 × 33,608.79
  4. Step 4: Simplify right side
    138,789.83x = 6,996,812,673.45
  5. Step 5: Solve for x
    x = 6,996,812,673.45/138,789.83
  6. Step 6: Final answer
    x = 50,413.01

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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.