Home / 454,122.72-681,266.56-187,738.56

Finding the Fourth Proportional to 454,122.72, 681,266.56 and 187,738.56

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Solution

The fourth proportional to 454,122.72, 681,266.56 and 187,738.56 is: 281,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,122.72 : 681,266.56 = 187,738.56 : x
  2. Step 2: Convert to fraction form
    454,122.72/681,266.56 = 187,738.56/x
  3. Step 3: Cross multiply
    454,122.72x = 681,266.56 × 187,738.56
  4. Step 4: Simplify right side
    454,122.72x = 127,900,002,950.55
  5. Step 5: Solve for x
    x = 127,900,002,950.55/454,122.72
  6. Step 6: Final answer
    x = 281,641.94

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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.