Home / 199,370.20-298,617.90-177,208.60

Finding the Fourth Proportional to 199,370.20, 298,617.90 and 177,208.60

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Solution

The fourth proportional to 199,370.20, 298,617.90 and 177,208.60 is: 265,424.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,370.20 : 298,617.90 = 177,208.60 : x
  2. Step 2: Convert to fraction form
    199,370.20/298,617.90 = 177,208.60/x
  3. Step 3: Cross multiply
    199,370.20x = 298,617.90 × 177,208.60
  4. Step 4: Simplify right side
    199,370.20x = 52,917,659,993.94
  5. Step 5: Solve for x
    x = 52,917,659,993.94/199,370.20
  6. Step 6: Final answer
    x = 265,424.12

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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.