Home / 196,118.60-293,899.79-82,143.62

Finding the Fourth Proportional to 196,118.60, 293,899.79 and 82,143.62

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Solution

The fourth proportional to 196,118.60, 293,899.79 and 82,143.62 is: 123,098.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,118.60 : 293,899.79 = 82,143.62 : x
  2. Step 2: Convert to fraction form
    196,118.60/293,899.79 = 82,143.62/x
  3. Step 3: Cross multiply
    196,118.60x = 293,899.79 × 82,143.62
  4. Step 4: Simplify right side
    196,118.60x = 24,141,992,667.84
  5. Step 5: Solve for x
    x = 24,141,992,667.84/196,118.60
  6. Step 6: Final answer
    x = 123,098.94

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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.