Home / 416,629.59-624,976.80-136,175.19

Finding the Fourth Proportional to 416,629.59, 624,976.80 and 136,175.19

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Solution

The fourth proportional to 416,629.59, 624,976.80 and 136,175.19 is: 204,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,629.59 : 624,976.80 = 136,175.19 : x
  2. Step 2: Convert to fraction form
    416,629.59/624,976.80 = 136,175.19/x
  3. Step 3: Cross multiply
    416,629.59x = 624,976.80 × 136,175.19
  4. Step 4: Simplify right side
    416,629.59x = 85,106,334,485.59
  5. Step 5: Solve for x
    x = 85,106,334,485.59/416,629.59
  6. Step 6: Final answer
    x = 204,273.38

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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.