Home / 196,764.43-271,533.66-111,881.50

Finding the Fourth Proportional to 196,764.43, 271,533.66 and 111,881.50

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Solution

The fourth proportional to 196,764.43, 271,533.66 and 111,881.50 is: 154,395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,764.43 : 271,533.66 = 111,881.50 : x
  2. Step 2: Convert to fraction form
    196,764.43/271,533.66 = 111,881.50/x
  3. Step 3: Cross multiply
    196,764.43x = 271,533.66 × 111,881.50
  4. Step 4: Simplify right side
    196,764.43x = 30,379,593,181.29
  5. Step 5: Solve for x
    x = 30,379,593,181.29/196,764.43
  6. Step 6: Final answer
    x = 154,395.76

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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.