Home / 389,824.37-584,969.82-168,208.37

Finding the Fourth Proportional to 389,824.37, 584,969.82 and 168,208.37

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Solution

The fourth proportional to 389,824.37, 584,969.82 and 168,208.37 is: 252,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,824.37 : 584,969.82 = 168,208.37 : x
  2. Step 2: Convert to fraction form
    389,824.37/584,969.82 = 168,208.37/x
  3. Step 3: Cross multiply
    389,824.37x = 584,969.82 × 168,208.37
  4. Step 4: Simplify right side
    389,824.37x = 98,396,816,996.54
  5. Step 5: Solve for x
    x = 98,396,816,996.54/389,824.37
  6. Step 6: Final answer
    x = 252,413.20

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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.