Home / 238,839.37-358,263.92-81,067.57

Finding the Fourth Proportional to 238,839.37, 358,263.92 and 81,067.57

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Solution

The fourth proportional to 238,839.37, 358,263.92 and 81,067.57 is: 121,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,839.37 : 358,263.92 = 81,067.57 : x
  2. Step 2: Convert to fraction form
    238,839.37/358,263.92 = 81,067.57/x
  3. Step 3: Cross multiply
    238,839.37x = 358,263.92 × 81,067.57
  4. Step 4: Simplify right side
    238,839.37x = 29,043,585,413.07
  5. Step 5: Solve for x
    x = 29,043,585,413.07/238,839.37
  6. Step 6: Final answer
    x = 121,603.01

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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.