Home / 196,864.20-271,827.36-158,501.88

Finding the Fourth Proportional to 196,864.20, 271,827.36 and 158,501.88

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Solution

The fourth proportional to 196,864.20, 271,827.36 and 158,501.88 is: 218,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,864.20 : 271,827.36 = 158,501.88 : x
  2. Step 2: Convert to fraction form
    196,864.20/271,827.36 = 158,501.88/x
  3. Step 3: Cross multiply
    196,864.20x = 271,827.36 × 158,501.88
  4. Step 4: Simplify right side
    196,864.20x = 43,085,147,595.44
  5. Step 5: Solve for x
    x = 43,085,147,595.44/196,864.20
  6. Step 6: Final answer
    x = 218,857.20

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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.