Home / 330,717.97-456,355.85-194,743

Finding the Fourth Proportional to 330,717.97, 456,355.85 and 194,743

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Solution

The fourth proportional to 330,717.97, 456,355.85 and 194,743 is: 268,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,717.97 : 456,355.85 = 194,743 : x
  2. Step 2: Convert to fraction form
    330,717.97/456,355.85 = 194,743/x
  3. Step 3: Cross multiply
    330,717.97x = 456,355.85 × 194,743
  4. Step 4: Simplify right side
    330,717.97x = 88,872,107,296.55
  5. Step 5: Solve for x
    x = 88,872,107,296.55/330,717.97
  6. Step 6: Final answer
    x = 268,724.76

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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.