Home / 361,856.43-499,319.03-200,672.10

Finding the Fourth Proportional to 361,856.43, 499,319.03 and 200,672.10

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Solution

The fourth proportional to 361,856.43, 499,319.03 and 200,672.10 is: 276,903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,856.43 : 499,319.03 = 200,672.10 : x
  2. Step 2: Convert to fraction form
    361,856.43/499,319.03 = 200,672.10/x
  3. Step 3: Cross multiply
    361,856.43x = 499,319.03 × 200,672.10
  4. Step 4: Simplify right side
    361,856.43x = 100,199,398,821.74
  5. Step 5: Solve for x
    x = 100,199,398,821.74/361,856.43
  6. Step 6: Final answer
    x = 276,903.74

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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.