Home / 196,767.70-271,579.78-125,133.88

Finding the Fourth Proportional to 196,767.70, 271,579.78 and 125,133.88

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Solution

The fourth proportional to 196,767.70, 271,579.78 and 125,133.88 is: 172,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,767.70 : 271,579.78 = 125,133.88 : x
  2. Step 2: Convert to fraction form
    196,767.70/271,579.78 = 125,133.88/x
  3. Step 3: Cross multiply
    196,767.70x = 271,579.78 × 125,133.88
  4. Step 4: Simplify right side
    196,767.70x = 33,983,831,600.95
  5. Step 5: Solve for x
    x = 33,983,831,600.95/196,767.70
  6. Step 6: Final answer
    x = 172,710.42

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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.