Home / 197,522.82-272,579.44-106,876.78

Finding the Fourth Proportional to 197,522.82, 272,579.44 and 106,876.78

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Solution

The fourth proportional to 197,522.82, 272,579.44 and 106,876.78 is: 147,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,522.82 : 272,579.44 = 106,876.78 : x
  2. Step 2: Convert to fraction form
    197,522.82/272,579.44 = 106,876.78/x
  3. Step 3: Cross multiply
    197,522.82x = 272,579.44 × 106,876.78
  4. Step 4: Simplify right side
    197,522.82x = 29,132,412,841.40
  5. Step 5: Solve for x
    x = 29,132,412,841.40/197,522.82
  6. Step 6: Final answer
    x = 147,488.85

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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.