Home / 196,516.98-271,116.45-120,934.26

Finding the Fourth Proportional to 196,516.98, 271,116.45 and 120,934.26

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Solution

The fourth proportional to 196,516.98, 271,116.45 and 120,934.26 is: 166,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,516.98 : 271,116.45 = 120,934.26 : x
  2. Step 2: Convert to fraction form
    196,516.98/271,116.45 = 120,934.26/x
  3. Step 3: Cross multiply
    196,516.98x = 271,116.45 × 120,934.26
  4. Step 4: Simplify right side
    196,516.98x = 32,787,267,254.58
  5. Step 5: Solve for x
    x = 32,787,267,254.58/196,516.98
  6. Step 6: Final answer
    x = 166,841.90

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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.