Home / 167,721.46-251,607.06-55,413.54

Finding the Fourth Proportional to 167,721.46, 251,607.06 and 55,413.54

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Solution

The fourth proportional to 167,721.46, 251,607.06 and 55,413.54 is: 83,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,721.46 : 251,607.06 = 55,413.54 : x
  2. Step 2: Convert to fraction form
    167,721.46/251,607.06 = 55,413.54/x
  3. Step 3: Cross multiply
    167,721.46x = 251,607.06 × 55,413.54
  4. Step 4: Simplify right side
    167,721.46x = 13,942,437,883.59
  5. Step 5: Solve for x
    x = 13,942,437,883.59/167,721.46
  6. Step 6: Final answer
    x = 83,128.53

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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.