Home / 461,131.12-691,768.20-194,892.76

Finding the Fourth Proportional to 461,131.12, 691,768.20 and 194,892.76

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Solution

The fourth proportional to 461,131.12, 691,768.20 and 194,892.76 is: 292,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,131.12 : 691,768.20 = 194,892.76 : x
  2. Step 2: Convert to fraction form
    461,131.12/691,768.20 = 194,892.76/x
  3. Step 3: Cross multiply
    461,131.12x = 691,768.20 × 194,892.76
  4. Step 4: Simplify right side
    461,131.12x = 134,820,613,778.23
  5. Step 5: Solve for x
    x = 134,820,613,778.23/461,131.12
  6. Step 6: Final answer
    x = 292,369.37

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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.