Home / 196,571.31-294,375.83-91,420.35

Finding the Fourth Proportional to 196,571.31, 294,375.83 and 91,420.35

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Solution

The fourth proportional to 196,571.31, 294,375.83 and 91,420.35 is: 136,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,571.31 : 294,375.83 = 91,420.35 : x
  2. Step 2: Convert to fraction form
    196,571.31/294,375.83 = 91,420.35/x
  3. Step 3: Cross multiply
    196,571.31x = 294,375.83 × 91,420.35
  4. Step 4: Simplify right side
    196,571.31x = 26,911,940,953.04
  5. Step 5: Solve for x
    x = 26,911,940,953.04/196,571.31
  6. Step 6: Final answer
    x = 136,906.76

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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.