Home / 282,183.54-389,413.38-154,859.22

Finding the Fourth Proportional to 282,183.54, 389,413.38 and 154,859.22

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Solution

The fourth proportional to 282,183.54, 389,413.38 and 154,859.22 is: 213,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,183.54 : 389,413.38 = 154,859.22 : x
  2. Step 2: Convert to fraction form
    282,183.54/389,413.38 = 154,859.22/x
  3. Step 3: Cross multiply
    282,183.54x = 389,413.38 × 154,859.22
  4. Step 4: Simplify right side
    282,183.54x = 60,304,252,284.36
  5. Step 5: Solve for x
    x = 60,304,252,284.36/282,183.54
  6. Step 6: Final answer
    x = 213,705.78

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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.