Home / 199,115.76-298,282.54-131,441.60

Finding the Fourth Proportional to 199,115.76, 298,282.54 and 131,441.60

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Solution

The fourth proportional to 199,115.76, 298,282.54 and 131,441.60 is: 196,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,115.76 : 298,282.54 = 131,441.60 : x
  2. Step 2: Convert to fraction form
    199,115.76/298,282.54 = 131,441.60/x
  3. Step 3: Cross multiply
    199,115.76x = 298,282.54 × 131,441.60
  4. Step 4: Simplify right side
    199,115.76x = 39,206,735,417.57
  5. Step 5: Solve for x
    x = 39,206,735,417.57/199,115.76
  6. Step 6: Final answer
    x = 196,904.23

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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.