Home / 416,629.80-624,944.70-136,175.40

Finding the Fourth Proportional to 416,629.80, 624,944.70 and 136,175.40

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Solution

The fourth proportional to 416,629.80, 624,944.70 and 136,175.40 is: 204,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,629.80 : 624,944.70 = 136,175.40 : x
  2. Step 2: Convert to fraction form
    416,629.80/624,944.70 = 136,175.40/x
  3. Step 3: Cross multiply
    416,629.80x = 624,944.70 × 136,175.40
  4. Step 4: Simplify right side
    416,629.80x = 85,102,094,500.38
  5. Step 5: Solve for x
    x = 85,102,094,500.38/416,629.80
  6. Step 6: Final answer
    x = 204,263.10

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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.