Home / 331,734.36-457,792.72-186,540.64

Finding the Fourth Proportional to 331,734.36, 457,792.72 and 186,540.64

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Solution

The fourth proportional to 331,734.36, 457,792.72 and 186,540.64 is: 257,425.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,734.36 : 457,792.72 = 186,540.64 : x
  2. Step 2: Convert to fraction form
    331,734.36/457,792.72 = 186,540.64/x
  3. Step 3: Cross multiply
    331,734.36x = 457,792.72 × 186,540.64
  4. Step 4: Simplify right side
    331,734.36x = 85,396,946,976.14
  5. Step 5: Solve for x
    x = 85,396,946,976.14/331,734.36
  6. Step 6: Final answer
    x = 257,425.69

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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.