Home / 110,942.40-166,413.60-99,132.60

Finding the Fourth Proportional to 110,942.40, 166,413.60 and 99,132.60

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Solution

The fourth proportional to 110,942.40, 166,413.60 and 99,132.60 is: 148,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,942.40 : 166,413.60 = 99,132.60 : x
  2. Step 2: Convert to fraction form
    110,942.40/166,413.60 = 99,132.60/x
  3. Step 3: Cross multiply
    110,942.40x = 166,413.60 × 99,132.60
  4. Step 4: Simplify right side
    110,942.40x = 16,497,012,843.36
  5. Step 5: Solve for x
    x = 16,497,012,843.36/110,942.40
  6. Step 6: Final answer
    x = 148,698.90

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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.