Home / 331,738.36-457,798.24-186,544.64

Finding the Fourth Proportional to 331,738.36, 457,798.24 and 186,544.64

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Solution

The fourth proportional to 331,738.36, 457,798.24 and 186,544.64 is: 257,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,738.36 : 457,798.24 = 186,544.64 : x
  2. Step 2: Convert to fraction form
    331,738.36/457,798.24 = 186,544.64/x
  3. Step 3: Cross multiply
    331,738.36x = 457,798.24 × 186,544.64
  4. Step 4: Simplify right side
    331,738.36x = 85,399,807,873.43
  5. Step 5: Solve for x
    x = 85,399,807,873.43/331,738.36
  6. Step 6: Final answer
    x = 257,431.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.