Home / 461,165.80-691,845.90-194,789.20

Finding the Fourth Proportional to 461,165.80, 691,845.90 and 194,789.20

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Solution

The fourth proportional to 461,165.80, 691,845.90 and 194,789.20 is: 292,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,165.80 : 691,845.90 = 194,789.20 : x
  2. Step 2: Convert to fraction form
    461,165.80/691,845.90 = 194,789.20/x
  3. Step 3: Cross multiply
    461,165.80x = 691,845.90 × 194,789.20
  4. Step 4: Simplify right side
    461,165.80x = 134,764,109,384.28
  5. Step 5: Solve for x
    x = 134,764,109,384.28/461,165.80
  6. Step 6: Final answer
    x = 292,224.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.