Home / 165,276.77-247,937.22-65,413.62

Finding the Fourth Proportional to 165,276.77, 247,937.22 and 65,413.62

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Solution

The fourth proportional to 165,276.77, 247,937.22 and 65,413.62 is: 98,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,276.77 : 247,937.22 = 65,413.62 : x
  2. Step 2: Convert to fraction form
    165,276.77/247,937.22 = 65,413.62/x
  3. Step 3: Cross multiply
    165,276.77x = 247,937.22 × 65,413.62
  4. Step 4: Simplify right side
    165,276.77x = 16,218,471,092.94
  5. Step 5: Solve for x
    x = 16,218,471,092.94/165,276.77
  6. Step 6: Final answer
    x = 98,129.17

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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.