Home / 204,041.20-305,843.10-77,632.60

Finding the Fourth Proportional to 204,041.20, 305,843.10 and 77,632.60

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Solution

The fourth proportional to 204,041.20, 305,843.10 and 77,632.60 is: 116,365.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,041.20 : 305,843.10 = 77,632.60 : x
  2. Step 2: Convert to fraction form
    204,041.20/305,843.10 = 77,632.60/x
  3. Step 3: Cross multiply
    204,041.20x = 305,843.10 × 77,632.60
  4. Step 4: Simplify right side
    204,041.20x = 23,743,395,045.06
  5. Step 5: Solve for x
    x = 23,743,395,045.06/204,041.20
  6. Step 6: Final answer
    x = 116,365.69

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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.