Home / 196,784.68-271,514.55-115,100.23

Finding the Fourth Proportional to 196,784.68, 271,514.55 and 115,100.23

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Solution

The fourth proportional to 196,784.68, 271,514.55 and 115,100.23 is: 158,810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,784.68 : 271,514.55 = 115,100.23 : x
  2. Step 2: Convert to fraction form
    196,784.68/271,514.55 = 115,100.23/x
  3. Step 3: Cross multiply
    196,784.68x = 271,514.55 × 115,100.23
  4. Step 4: Simplify right side
    196,784.68x = 31,251,387,153.35
  5. Step 5: Solve for x
    x = 31,251,387,153.35/196,784.68
  6. Step 6: Final answer
    x = 158,810.06

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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.