Home / 416,629.46-624,976.60-136,175.06

Finding the Fourth Proportional to 416,629.46, 624,976.60 and 136,175.06

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Solution

The fourth proportional to 416,629.46, 624,976.60 and 136,175.06 is: 204,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,629.46 : 624,976.60 = 136,175.06 : x
  2. Step 2: Convert to fraction form
    416,629.46/624,976.60 = 136,175.06/x
  3. Step 3: Cross multiply
    416,629.46x = 624,976.60 × 136,175.06
  4. Step 4: Simplify right side
    416,629.46x = 85,106,226,003.60
  5. Step 5: Solve for x
    x = 85,106,226,003.60/416,629.46
  6. Step 6: Final answer
    x = 204,273.18

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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.