Home / 187,413.75-281,120.39-61,053.79

Finding the Fourth Proportional to 187,413.75, 281,120.39 and 61,053.79

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Solution

The fourth proportional to 187,413.75, 281,120.39 and 61,053.79 is: 91,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,413.75 : 281,120.39 = 61,053.79 : x
  2. Step 2: Convert to fraction form
    187,413.75/281,120.39 = 61,053.79/x
  3. Step 3: Cross multiply
    187,413.75x = 281,120.39 × 61,053.79
  4. Step 4: Simplify right side
    187,413.75x = 17,163,465,255.78
  5. Step 5: Solve for x
    x = 17,163,465,255.78/187,413.75
  6. Step 6: Final answer
    x = 91,580.61

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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.