Home / 257,723.90-386,773.16-194,622.06

Finding the Fourth Proportional to 257,723.90, 386,773.16 and 194,622.06

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Solution

The fourth proportional to 257,723.90, 386,773.16 and 194,622.06 is: 292,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,723.90 : 386,773.16 = 194,622.06 : x
  2. Step 2: Convert to fraction form
    257,723.90/386,773.16 = 194,622.06/x
  3. Step 3: Cross multiply
    257,723.90x = 386,773.16 × 194,622.06
  4. Step 4: Simplify right side
    257,723.90x = 75,274,589,151.91
  5. Step 5: Solve for x
    x = 75,274,589,151.91/257,723.90
  6. Step 6: Final answer
    x = 292,074.54

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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.