Home / 196,494.30-271,162.22-115,921.98

Finding the Fourth Proportional to 196,494.30, 271,162.22 and 115,921.98

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Solution

The fourth proportional to 196,494.30, 271,162.22 and 115,921.98 is: 159,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,494.30 : 271,162.22 = 115,921.98 : x
  2. Step 2: Convert to fraction form
    196,494.30/271,162.22 = 115,921.98/x
  3. Step 3: Cross multiply
    196,494.30x = 271,162.22 × 115,921.98
  4. Step 4: Simplify right side
    196,494.30x = 31,433,660,863.99
  5. Step 5: Solve for x
    x = 31,433,660,863.99/196,494.30
  6. Step 6: Final answer
    x = 159,972.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.