Home / 196,169.27-270,732.85-115,622.87

Finding the Fourth Proportional to 196,169.27, 270,732.85 and 115,622.87

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Solution

The fourth proportional to 196,169.27, 270,732.85 and 115,622.87 is: 159,570.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,169.27 : 270,732.85 = 115,622.87 : x
  2. Step 2: Convert to fraction form
    196,169.27/270,732.85 = 115,622.87/x
  3. Step 3: Cross multiply
    196,169.27x = 270,732.85 × 115,622.87
  4. Step 4: Simplify right side
    196,169.27x = 31,302,907,477.56
  5. Step 5: Solve for x
    x = 31,302,907,477.56/196,169.27
  6. Step 6: Final answer
    x = 159,570.91

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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.