Home / 196,375.48-294,479.35-74,716.31

Finding the Fourth Proportional to 196,375.48, 294,479.35 and 74,716.31

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Solution

The fourth proportional to 196,375.48, 294,479.35 and 74,716.31 is: 112,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,375.48 : 294,479.35 = 74,716.31 : x
  2. Step 2: Convert to fraction form
    196,375.48/294,479.35 = 74,716.31/x
  3. Step 3: Cross multiply
    196,375.48x = 294,479.35 × 74,716.31
  4. Step 4: Simplify right side
    196,375.48x = 22,002,410,403.20
  5. Step 5: Solve for x
    x = 22,002,410,403.20/196,375.48
  6. Step 6: Final answer
    x = 112,042.55

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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.