Home / 196,163.51-293,873.87-115,961.36

Finding the Fourth Proportional to 196,163.51, 293,873.87 and 115,961.36

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Solution

The fourth proportional to 196,163.51, 293,873.87 and 115,961.36 is: 173,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,163.51 : 293,873.87 = 115,961.36 : x
  2. Step 2: Convert to fraction form
    196,163.51/293,873.87 = 115,961.36/x
  3. Step 3: Cross multiply
    196,163.51x = 293,873.87 × 115,961.36
  4. Step 4: Simplify right side
    196,163.51x = 34,078,012,454.20
  5. Step 5: Solve for x
    x = 34,078,012,454.20/196,163.51
  6. Step 6: Final answer
    x = 173,722.49

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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.