Home / 196,435.56-271,073.84-120,082.52

Finding the Fourth Proportional to 196,435.56, 271,073.84 and 120,082.52

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Solution

The fourth proportional to 196,435.56, 271,073.84 and 120,082.52 is: 165,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,435.56 : 271,073.84 = 120,082.52 : x
  2. Step 2: Convert to fraction form
    196,435.56/271,073.84 = 120,082.52/x
  3. Step 3: Cross multiply
    196,435.56x = 271,073.84 × 120,082.52
  4. Step 4: Simplify right side
    196,435.56x = 32,551,229,813.28
  5. Step 5: Solve for x
    x = 32,551,229,813.28/196,435.56
  6. Step 6: Final answer
    x = 165,709.46

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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.