Home / 341,839.78-471,766.50-188,891.37

Finding the Fourth Proportional to 341,839.78, 471,766.50 and 188,891.37

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Solution

The fourth proportional to 341,839.78, 471,766.50 and 188,891.37 is: 260,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,839.78 : 471,766.50 = 188,891.37 : x
  2. Step 2: Convert to fraction form
    341,839.78/471,766.50 = 188,891.37/x
  3. Step 3: Cross multiply
    341,839.78x = 471,766.50 × 188,891.37
  4. Step 4: Simplify right side
    341,839.78x = 89,112,620,505.11
  5. Step 5: Solve for x
    x = 89,112,620,505.11/341,839.78
  6. Step 6: Final answer
    x = 260,685.35

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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.