Home / 196,627.58-271,375.26-120,190.76

Finding the Fourth Proportional to 196,627.58, 271,375.26 and 120,190.76

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Solution

The fourth proportional to 196,627.58, 271,375.26 and 120,190.76 is: 165,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,627.58 : 271,375.26 = 120,190.76 : x
  2. Step 2: Convert to fraction form
    196,627.58/271,375.26 = 120,190.76/x
  3. Step 3: Cross multiply
    196,627.58x = 271,375.26 × 120,190.76
  4. Step 4: Simplify right side
    196,627.58x = 32,616,798,744.60
  5. Step 5: Solve for x
    x = 32,616,798,744.60/196,627.58
  6. Step 6: Final answer
    x = 165,881.10

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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.