Home / 196,610.71-294,867.46-84,278.20

Finding the Fourth Proportional to 196,610.71, 294,867.46 and 84,278.20

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Solution

The fourth proportional to 196,610.71, 294,867.46 and 84,278.20 is: 126,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,610.71 : 294,867.46 = 84,278.20 : x
  2. Step 2: Convert to fraction form
    196,610.71/294,867.46 = 84,278.20/x
  3. Step 3: Cross multiply
    196,610.71x = 294,867.46 × 84,278.20
  4. Step 4: Simplify right side
    196,610.71x = 24,850,898,767.37
  5. Step 5: Solve for x
    x = 24,850,898,767.37/196,610.71
  6. Step 6: Final answer
    x = 126,396.47

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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.