Home / 196,905.92-271,736.32-112,035.20

Finding the Fourth Proportional to 196,905.92, 271,736.32 and 112,035.20

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Solution

The fourth proportional to 196,905.92, 271,736.32 and 112,035.20 is: 154,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,905.92 : 271,736.32 = 112,035.20 : x
  2. Step 2: Convert to fraction form
    196,905.92/271,736.32 = 112,035.20/x
  3. Step 3: Cross multiply
    196,905.92x = 271,736.32 × 112,035.20
  4. Step 4: Simplify right side
    196,905.92x = 30,444,032,958.46
  5. Step 5: Solve for x
    x = 30,444,032,958.46/196,905.92
  6. Step 6: Final answer
    x = 154,612.08

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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.