Home / 331,899.15-457,887-192,105.81

Finding the Fourth Proportional to 331,899.15, 457,887 and 192,105.81

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Solution

The fourth proportional to 331,899.15, 457,887 and 192,105.81 is: 265,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,899.15 : 457,887 = 192,105.81 : x
  2. Step 2: Convert to fraction form
    331,899.15/457,887 = 192,105.81/x
  3. Step 3: Cross multiply
    331,899.15x = 457,887 × 192,105.81
  4. Step 4: Simplify right side
    331,899.15x = 87,962,753,023.47
  5. Step 5: Solve for x
    x = 87,962,753,023.47/331,899.15
  6. Step 6: Final answer
    x = 265,028.56

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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.