Home / 190,413.37-285,198.88-77,751.94

Finding the Fourth Proportional to 190,413.37, 285,198.88 and 77,751.94

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Solution

The fourth proportional to 190,413.37, 285,198.88 and 77,751.94 is: 116,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,413.37 : 285,198.88 = 77,751.94 : x
  2. Step 2: Convert to fraction form
    190,413.37/285,198.88 = 77,751.94/x
  3. Step 3: Cross multiply
    190,413.37x = 285,198.88 × 77,751.94
  4. Step 4: Simplify right side
    190,413.37x = 22,174,766,999.78
  5. Step 5: Solve for x
    x = 22,174,766,999.78/190,413.37
  6. Step 6: Final answer
    x = 116,455.94

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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.