Home / 196,610.21-294,867.38-54,451.79

Finding the Fourth Proportional to 196,610.21, 294,867.38 and 54,451.79

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Solution

The fourth proportional to 196,610.21, 294,867.38 and 54,451.79 is: 81,664.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,610.21 : 294,867.38 = 54,451.79 : x
  2. Step 2: Convert to fraction form
    196,610.21/294,867.38 = 54,451.79/x
  3. Step 3: Cross multiply
    196,610.21x = 294,867.38 × 54,451.79
  4. Step 4: Simplify right side
    196,610.21x = 16,056,056,421.16
  5. Step 5: Solve for x
    x = 16,056,056,421.16/196,610.21
  6. Step 6: Final answer
    x = 81,664.41

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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.