Home / 331,454.20-457,392.03-193,645.91

Finding the Fourth Proportional to 331,454.20, 457,392.03 and 193,645.91

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Solution

The fourth proportional to 331,454.20, 457,392.03 and 193,645.91 is: 267,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,454.20 : 457,392.03 = 193,645.91 : x
  2. Step 2: Convert to fraction form
    331,454.20/457,392.03 = 193,645.91/x
  3. Step 3: Cross multiply
    331,454.20x = 457,392.03 × 193,645.91
  4. Step 4: Simplify right side
    331,454.20x = 88,572,095,876.10
  5. Step 5: Solve for x
    x = 88,572,095,876.10/331,454.20
  6. Step 6: Final answer
    x = 267,222.73

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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.