Home / 355,905.98-491,150.20-194,761.05

Finding the Fourth Proportional to 355,905.98, 491,150.20 and 194,761.05

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Solution

The fourth proportional to 355,905.98, 491,150.20 and 194,761.05 is: 268,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,905.98 : 491,150.20 = 194,761.05 : x
  2. Step 2: Convert to fraction form
    355,905.98/491,150.20 = 194,761.05/x
  3. Step 3: Cross multiply
    355,905.98x = 491,150.20 × 194,761.05
  4. Step 4: Simplify right side
    355,905.98x = 95,656,928,659.71
  5. Step 5: Solve for x
    x = 95,656,928,659.71/355,905.98
  6. Step 6: Final answer
    x = 268,770.22

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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.