Home / 327,221.78-451,414.49-191,261.45

Finding the Fourth Proportional to 327,221.78, 451,414.49 and 191,261.45

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Solution

The fourth proportional to 327,221.78, 451,414.49 and 191,261.45 is: 263,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,221.78 : 451,414.49 = 191,261.45 : x
  2. Step 2: Convert to fraction form
    327,221.78/451,414.49 = 191,261.45/x
  3. Step 3: Cross multiply
    327,221.78x = 451,414.49 × 191,261.45
  4. Step 4: Simplify right side
    327,221.78x = 86,338,186,695.03
  5. Step 5: Solve for x
    x = 86,338,186,695.03/327,221.78
  6. Step 6: Final answer
    x = 263,852.20

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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.