Home / 119,190.37-164,413.95-71,416.04

Finding the Fourth Proportional to 119,190.37, 164,413.95 and 71,416.04

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Solution

The fourth proportional to 119,190.37, 164,413.95 and 71,416.04 is: 98,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,190.37 : 164,413.95 = 71,416.04 : x
  2. Step 2: Convert to fraction form
    119,190.37/164,413.95 = 71,416.04/x
  3. Step 3: Cross multiply
    119,190.37x = 164,413.95 × 71,416.04
  4. Step 4: Simplify right side
    119,190.37x = 11,741,792,640.18
  5. Step 5: Solve for x
    x = 11,741,792,640.18/119,190.37
  6. Step 6: Final answer
    x = 98,512.93

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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.