Home / 115,413.33-159,342.44-88,504.05

Finding the Fourth Proportional to 115,413.33, 159,342.44 and 88,504.05

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Solution

The fourth proportional to 115,413.33, 159,342.44 and 88,504.05 is: 122,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,413.33 : 159,342.44 = 88,504.05 : x
  2. Step 2: Convert to fraction form
    115,413.33/159,342.44 = 88,504.05/x
  3. Step 3: Cross multiply
    115,413.33x = 159,342.44 × 88,504.05
  4. Step 4: Simplify right side
    115,413.33x = 14,102,450,834.36
  5. Step 5: Solve for x
    x = 14,102,450,834.36/115,413.33
  6. Step 6: Final answer
    x = 122,190.83

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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.