Home / 349,742.84-482,634.33-196,789.60

Finding the Fourth Proportional to 349,742.84, 482,634.33 and 196,789.60

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Solution

The fourth proportional to 349,742.84, 482,634.33 and 196,789.60 is: 271,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,742.84 : 482,634.33 = 196,789.60 : x
  2. Step 2: Convert to fraction form
    349,742.84/482,634.33 = 196,789.60/x
  3. Step 3: Cross multiply
    349,742.84x = 482,634.33 × 196,789.60
  4. Step 4: Simplify right side
    349,742.84x = 94,977,414,333.80
  5. Step 5: Solve for x
    x = 94,977,414,333.80/349,742.84
  6. Step 6: Final answer
    x = 271,563.57

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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.