Home / 108,336.26-149,496.36-99,413.30

Finding the Fourth Proportional to 108,336.26, 149,496.36 and 99,413.30

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Solution

The fourth proportional to 108,336.26, 149,496.36 and 99,413.30 is: 137,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,336.26 : 149,496.36 = 99,413.30 : x
  2. Step 2: Convert to fraction form
    108,336.26/149,496.36 = 99,413.30/x
  3. Step 3: Cross multiply
    108,336.26x = 149,496.36 × 99,413.30
  4. Step 4: Simplify right side
    108,336.26x = 14,861,926,485.59
  5. Step 5: Solve for x
    x = 14,861,926,485.59/108,336.26
  6. Step 6: Final answer
    x = 137,183.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.