Home / 196,913.20-271,696.32-116,285.68

Finding the Fourth Proportional to 196,913.20, 271,696.32 and 116,285.68

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Solution

The fourth proportional to 196,913.20, 271,696.32 and 116,285.68 is: 160,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,913.20 : 271,696.32 = 116,285.68 : x
  2. Step 2: Convert to fraction form
    196,913.20/271,696.32 = 116,285.68/x
  3. Step 3: Cross multiply
    196,913.20x = 271,696.32 × 116,285.68
  4. Step 4: Simplify right side
    196,913.20x = 31,594,391,324.70
  5. Step 5: Solve for x
    x = 31,594,391,324.70/196,913.20
  6. Step 6: Final answer
    x = 160,448.32

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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.