Home / 311,738.64-466,865.69-199,069.87

Finding the Fourth Proportional to 311,738.64, 466,865.69 and 199,069.87

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Solution

The fourth proportional to 311,738.64, 466,865.69 and 199,069.87 is: 298,130.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,738.64 : 466,865.69 = 199,069.87 : x
  2. Step 2: Convert to fraction form
    311,738.64/466,865.69 = 199,069.87/x
  3. Step 3: Cross multiply
    311,738.64x = 466,865.69 × 199,069.87
  4. Step 4: Simplify right side
    311,738.64x = 92,938,892,215.76
  5. Step 5: Solve for x
    x = 92,938,892,215.76/311,738.64
  6. Step 6: Final answer
    x = 298,130.81

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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.