Home / 251,413.37-377,021.22-91,451.33

Finding the Fourth Proportional to 251,413.37, 377,021.22 and 91,451.33

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Solution

The fourth proportional to 251,413.37, 377,021.22 and 91,451.33 is: 137,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,413.37 : 377,021.22 = 91,451.33 : x
  2. Step 2: Convert to fraction form
    251,413.37/377,021.22 = 91,451.33/x
  3. Step 3: Cross multiply
    251,413.37x = 377,021.22 × 91,451.33
  4. Step 4: Simplify right side
    251,413.37x = 34,479,092,007.22
  5. Step 5: Solve for x
    x = 34,479,092,007.22/251,413.37
  6. Step 6: Final answer
    x = 137,141.04

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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.