Home / 331,736.36-457,795.48-186,542.64

Finding the Fourth Proportional to 331,736.36, 457,795.48 and 186,542.64

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Solution

The fourth proportional to 331,736.36, 457,795.48 and 186,542.64 is: 257,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,736.36 : 457,795.48 = 186,542.64 : x
  2. Step 2: Convert to fraction form
    331,736.36/457,795.48 = 186,542.64/x
  3. Step 3: Cross multiply
    331,736.36x = 457,795.48 × 186,542.64
  4. Step 4: Simplify right side
    331,736.36x = 85,398,377,419.27
  5. Step 5: Solve for x
    x = 85,398,377,419.27/331,736.36
  6. Step 6: Final answer
    x = 257,428.45

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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.