Home / 132,303.78-198,413.82-43,537.50

Finding the Fourth Proportional to 132,303.78, 198,413.82 and 43,537.50

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Solution

The fourth proportional to 132,303.78, 198,413.82 and 43,537.50 is: 65,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,303.78 : 198,413.82 = 43,537.50 : x
  2. Step 2: Convert to fraction form
    132,303.78/198,413.82 = 43,537.50/x
  3. Step 3: Cross multiply
    132,303.78x = 198,413.82 × 43,537.50
  4. Step 4: Simplify right side
    132,303.78x = 8,638,441,688.25
  5. Step 5: Solve for x
    x = 8,638,441,688.25/132,303.78
  6. Step 6: Final answer
    x = 65,292.48

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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.