Home / 208,413.43-287,606.77-117,767.44

Finding the Fourth Proportional to 208,413.43, 287,606.77 and 117,767.44

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Solution

The fourth proportional to 208,413.43, 287,606.77 and 117,767.44 is: 162,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,413.43 : 287,606.77 = 117,767.44 : x
  2. Step 2: Convert to fraction form
    208,413.43/287,606.77 = 117,767.44/x
  3. Step 3: Cross multiply
    208,413.43x = 287,606.77 × 117,767.44
  4. Step 4: Simplify right side
    208,413.43x = 33,870,713,029.57
  5. Step 5: Solve for x
    x = 33,870,713,029.57/208,413.43
  6. Step 6: Final answer
    x = 162,516.94

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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.