Home / 190,413.28-285,619.92-50,171.91

Finding the Fourth Proportional to 190,413.28, 285,619.92 and 50,171.91

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Solution

The fourth proportional to 190,413.28, 285,619.92 and 50,171.91 is: 75,257.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,413.28 : 285,619.92 = 50,171.91 : x
  2. Step 2: Convert to fraction form
    190,413.28/285,619.92 = 50,171.91/x
  3. Step 3: Cross multiply
    190,413.28x = 285,619.92 × 50,171.91
  4. Step 4: Simplify right side
    190,413.28x = 14,330,095,943.44
  5. Step 5: Solve for x
    x = 14,330,095,943.44/190,413.28
  6. Step 6: Final answer
    x = 75,257.86

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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.