Home / 353,131.56-487,311.30-200,183.94

Finding the Fourth Proportional to 353,131.56, 487,311.30 and 200,183.94

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Solution

The fourth proportional to 353,131.56, 487,311.30 and 200,183.94 is: 276,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,131.56 : 487,311.30 = 200,183.94 : x
  2. Step 2: Convert to fraction form
    353,131.56/487,311.30 = 200,183.94/x
  3. Step 3: Cross multiply
    353,131.56x = 487,311.30 × 200,183.94
  4. Step 4: Simplify right side
    353,131.56x = 97,551,896,040.52
  5. Step 5: Solve for x
    x = 97,551,896,040.52/353,131.56
  6. Step 6: Final answer
    x = 276,248.03

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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.