Home / 226,413.97-312,458.78-124,443.07

Finding the Fourth Proportional to 226,413.97, 312,458.78 and 124,443.07

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Solution

The fourth proportional to 226,413.97, 312,458.78 and 124,443.07 is: 171,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,413.97 : 312,458.78 = 124,443.07 : x
  2. Step 2: Convert to fraction form
    226,413.97/312,458.78 = 124,443.07/x
  3. Step 3: Cross multiply
    226,413.97x = 312,458.78 × 124,443.07
  4. Step 4: Simplify right side
    226,413.97x = 38,883,329,361.62
  5. Step 5: Solve for x
    x = 38,883,329,361.62/226,413.97
  6. Step 6: Final answer
    x = 171,735.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.