Home / 196,765.70-271,577.02-125,131.88

Finding the Fourth Proportional to 196,765.70, 271,577.02 and 125,131.88

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Solution

The fourth proportional to 196,765.70, 271,577.02 and 125,131.88 is: 172,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,765.70 : 271,577.02 = 125,131.88 : x
  2. Step 2: Convert to fraction form
    196,765.70/271,577.02 = 125,131.88/x
  3. Step 3: Cross multiply
    196,765.70x = 271,577.02 × 125,131.88
  4. Step 4: Simplify right side
    196,765.70x = 33,982,943,077.40
  5. Step 5: Solve for x
    x = 33,982,943,077.40/196,765.70
  6. Step 6: Final answer
    x = 172,707.66

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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.