Home / 196,409.64-271,080.62-115,832.46

Finding the Fourth Proportional to 196,409.64, 271,080.62 and 115,832.46

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Solution

The fourth proportional to 196,409.64, 271,080.62 and 115,832.46 is: 159,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,409.64 : 271,080.62 = 115,832.46 : x
  2. Step 2: Convert to fraction form
    196,409.64/271,080.62 = 115,832.46/x
  3. Step 3: Cross multiply
    196,409.64x = 271,080.62 × 115,832.46
  4. Step 4: Simplify right side
    196,409.64x = 31,399,936,596.24
  5. Step 5: Solve for x
    x = 31,399,936,596.24/196,409.64
  6. Step 6: Final answer
    x = 159,869.63

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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.