Home / 196,979.36-295,469.04-91,871.84

Finding the Fourth Proportional to 196,979.36, 295,469.04 and 91,871.84

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Solution

The fourth proportional to 196,979.36, 295,469.04 and 91,871.84 is: 137,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,979.36 : 295,469.04 = 91,871.84 : x
  2. Step 2: Convert to fraction form
    196,979.36/295,469.04 = 91,871.84/x
  3. Step 3: Cross multiply
    196,979.36x = 295,469.04 × 91,871.84
  4. Step 4: Simplify right side
    196,979.36x = 27,145,284,367.83
  5. Step 5: Solve for x
    x = 27,145,284,367.83/196,979.36
  6. Step 6: Final answer
    x = 137,807.76

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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.