Home / 132,317.61-198,413.86-51,302.54

Finding the Fourth Proportional to 132,317.61, 198,413.86 and 51,302.54

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Solution

The fourth proportional to 132,317.61, 198,413.86 and 51,302.54 is: 76,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,317.61 : 198,413.86 = 51,302.54 : x
  2. Step 2: Convert to fraction form
    132,317.61/198,413.86 = 51,302.54/x
  3. Step 3: Cross multiply
    132,317.61x = 198,413.86 × 51,302.54
  4. Step 4: Simplify right side
    132,317.61x = 10,179,134,989.20
  5. Step 5: Solve for x
    x = 10,179,134,989.20/132,317.61
  6. Step 6: Final answer
    x = 76,929.56

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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.