Home / 327,098.48-451,329.75-191,106.16

Finding the Fourth Proportional to 327,098.48, 451,329.75 and 191,106.16

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Solution

The fourth proportional to 327,098.48, 451,329.75 and 191,106.16 is: 263,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,098.48 : 451,329.75 = 191,106.16 : x
  2. Step 2: Convert to fraction form
    327,098.48/451,329.75 = 191,106.16/x
  3. Step 3: Cross multiply
    327,098.48x = 451,329.75 × 191,106.16
  4. Step 4: Simplify right side
    327,098.48x = 86,251,894,460.73
  5. Step 5: Solve for x
    x = 86,251,894,460.73/327,098.48
  6. Step 6: Final answer
    x = 263,687.85

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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.