Home / 196,871.52-271,703.10-120,441.53

Finding the Fourth Proportional to 196,871.52, 271,703.10 and 120,441.53

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Solution

The fourth proportional to 196,871.52, 271,703.10 and 120,441.53 is: 166,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,871.52 : 271,703.10 = 120,441.53 : x
  2. Step 2: Convert to fraction form
    196,871.52/271,703.10 = 120,441.53/x
  3. Step 3: Cross multiply
    196,871.52x = 271,703.10 × 120,441.53
  4. Step 4: Simplify right side
    196,871.52x = 32,724,335,711.23
  5. Step 5: Solve for x
    x = 32,724,335,711.23/196,871.52
  6. Step 6: Final answer
    x = 166,221.79

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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.