Home / 167,895.04-231,687.41-91,413.90

Finding the Fourth Proportional to 167,895.04, 231,687.41 and 91,413.90

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Solution

The fourth proportional to 167,895.04, 231,687.41 and 91,413.90 is: 126,146.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,895.04 : 231,687.41 = 91,413.90 : x
  2. Step 2: Convert to fraction form
    167,895.04/231,687.41 = 91,413.90/x
  3. Step 3: Cross multiply
    167,895.04x = 231,687.41 × 91,413.90
  4. Step 4: Simplify right side
    167,895.04x = 21,179,449,271.93
  5. Step 5: Solve for x
    x = 21,179,449,271.93/167,895.04
  6. Step 6: Final answer
    x = 126,146.96

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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.