Home / 331,450.43-457,385.37-188,207.40

Finding the Fourth Proportional to 331,450.43, 457,385.37 and 188,207.40

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Solution

The fourth proportional to 331,450.43, 457,385.37 and 188,207.40 is: 259,717.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,450.43 : 457,385.37 = 188,207.40 : x
  2. Step 2: Convert to fraction form
    331,450.43/457,385.37 = 188,207.40/x
  3. Step 3: Cross multiply
    331,450.43x = 457,385.37 × 188,207.40
  4. Step 4: Simplify right side
    331,450.43x = 86,083,311,285.74
  5. Step 5: Solve for x
    x = 86,083,311,285.74/331,450.43
  6. Step 6: Final answer
    x = 259,717.00

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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.