Home / 327,100.61-451,332.67-191,108.29

Finding the Fourth Proportional to 327,100.61, 451,332.67 and 191,108.29

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Solution

The fourth proportional to 327,100.61, 451,332.67 and 191,108.29 is: 263,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,100.61 : 451,332.67 = 191,108.29 : x
  2. Step 2: Convert to fraction form
    327,100.61/451,332.67 = 191,108.29/x
  3. Step 3: Cross multiply
    327,100.61x = 451,332.67 × 191,108.29
  4. Step 4: Simplify right side
    327,100.61x = 86,253,414,784.83
  5. Step 5: Solve for x
    x = 86,253,414,784.83/327,100.61
  6. Step 6: Final answer
    x = 263,690.78

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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.