Home / 196,577.72-271,276.62-107,153.72

Finding the Fourth Proportional to 196,577.72, 271,276.62 and 107,153.72

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Solution

The fourth proportional to 196,577.72, 271,276.62 and 107,153.72 is: 147,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,577.72 : 271,276.62 = 107,153.72 : x
  2. Step 2: Convert to fraction form
    196,577.72/271,276.62 = 107,153.72/x
  3. Step 3: Cross multiply
    196,577.72x = 271,276.62 × 107,153.72
  4. Step 4: Simplify right side
    196,577.72x = 29,068,298,982.03
  5. Step 5: Solve for x
    x = 29,068,298,982.03/196,577.72
  6. Step 6: Final answer
    x = 147,871.79

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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.