Home / 197,081.57-271,972.86-112,198.63

Finding the Fourth Proportional to 197,081.57, 271,972.86 and 112,198.63

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Solution

The fourth proportional to 197,081.57, 271,972.86 and 112,198.63 is: 154,834.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,081.57 : 271,972.86 = 112,198.63 : x
  2. Step 2: Convert to fraction form
    197,081.57/271,972.86 = 112,198.63/x
  3. Step 3: Cross multiply
    197,081.57x = 271,972.86 × 112,198.63
  4. Step 4: Simplify right side
    197,081.57x = 30,514,982,289.18
  5. Step 5: Solve for x
    x = 30,514,982,289.18/197,081.57
  6. Step 6: Final answer
    x = 154,834.28

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1.5x scale

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.