Home / 196,834.88-271,676.43-128,812.44

Finding the Fourth Proportional to 196,834.88, 271,676.43 and 128,812.44

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Solution

The fourth proportional to 196,834.88, 271,676.43 and 128,812.44 is: 177,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,834.88 : 271,676.43 = 128,812.44 : x
  2. Step 2: Convert to fraction form
    196,834.88/271,676.43 = 128,812.44/x
  3. Step 3: Cross multiply
    196,834.88x = 271,676.43 × 128,812.44
  4. Step 4: Simplify right side
    196,834.88x = 34,995,303,838.79
  5. Step 5: Solve for x
    x = 34,995,303,838.79/196,834.88
  6. Step 6: Final answer
    x = 177,790.16

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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.