Home / 196,516.48-271,115.76-120,933.76

Finding the Fourth Proportional to 196,516.48, 271,115.76 and 120,933.76

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Solution

The fourth proportional to 196,516.48, 271,115.76 and 120,933.76 is: 166,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,516.48 : 271,115.76 = 120,933.76 : x
  2. Step 2: Convert to fraction form
    196,516.48/271,115.76 = 120,933.76/x
  3. Step 3: Cross multiply
    196,516.48x = 271,115.76 × 120,933.76
  4. Step 4: Simplify right side
    196,516.48x = 32,787,048,252.06
  5. Step 5: Solve for x
    x = 32,787,048,252.06/196,516.48
  6. Step 6: Final answer
    x = 166,841.21

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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.