Home / 132,413.45-198,354.23-61,236.32

Finding the Fourth Proportional to 132,413.45, 198,354.23 and 61,236.32

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Solution

The fourth proportional to 132,413.45, 198,354.23 and 61,236.32 is: 91,731.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,413.45 : 198,354.23 = 61,236.32 : x
  2. Step 2: Convert to fraction form
    132,413.45/198,354.23 = 61,236.32/x
  3. Step 3: Cross multiply
    132,413.45x = 198,354.23 × 61,236.32
  4. Step 4: Simplify right side
    132,413.45x = 12,146,481,803.68
  5. Step 5: Solve for x
    x = 12,146,481,803.68/132,413.45
  6. Step 6: Final answer
    x = 91,731.48

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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.