Home / 327,100.73-451,332.77-191,108.39

Finding the Fourth Proportional to 327,100.73, 451,332.77 and 191,108.39

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Solution

The fourth proportional to 327,100.73, 451,332.77 and 191,108.39 is: 263,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,100.73 : 451,332.77 = 191,108.39 : x
  2. Step 2: Convert to fraction form
    327,100.73/451,332.77 = 191,108.39/x
  3. Step 3: Cross multiply
    327,100.73x = 451,332.77 × 191,108.39
  4. Step 4: Simplify right side
    327,100.73x = 86,253,475,816.73
  5. Step 5: Solve for x
    x = 86,253,475,816.73/327,100.73
  6. Step 6: Final answer
    x = 263,690.87

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1.5x scale

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.