Home / 196,762.18-271,530.55-111,879.24

Finding the Fourth Proportional to 196,762.18, 271,530.55 and 111,879.24

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Solution

The fourth proportional to 196,762.18, 271,530.55 and 111,879.24 is: 154,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,762.18 : 271,530.55 = 111,879.24 : x
  2. Step 2: Convert to fraction form
    196,762.18/271,530.55 = 111,879.24/x
  3. Step 3: Cross multiply
    196,762.18x = 271,530.55 × 111,879.24
  4. Step 4: Simplify right side
    196,762.18x = 30,378,629,653.73
  5. Step 5: Solve for x
    x = 30,378,629,653.73/196,762.18
  6. Step 6: Final answer
    x = 154,392.63

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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.