Home / 204,048.40-305,812.74-115,351.24

Finding the Fourth Proportional to 204,048.40, 305,812.74 and 115,351.24

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Solution

The fourth proportional to 204,048.40, 305,812.74 and 115,351.24 is: 172,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,048.40 : 305,812.74 = 115,351.24 : x
  2. Step 2: Convert to fraction form
    204,048.40/305,812.74 = 115,351.24/x
  3. Step 3: Cross multiply
    204,048.40x = 305,812.74 × 115,351.24
  4. Step 4: Simplify right side
    204,048.40x = 35,275,878,766.80
  5. Step 5: Solve for x
    x = 35,275,878,766.80/204,048.40
  6. Step 6: Final answer
    x = 172,879.96

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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.