Home / 196,645.94-271,392.21-120,209.77

Finding the Fourth Proportional to 196,645.94, 271,392.21 and 120,209.77

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Solution

The fourth proportional to 196,645.94, 271,392.21 and 120,209.77 is: 165,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,645.94 : 271,392.21 = 120,209.77 : x
  2. Step 2: Convert to fraction form
    196,645.94/271,392.21 = 120,209.77/x
  3. Step 3: Cross multiply
    196,645.94x = 271,392.21 × 120,209.77
  4. Step 4: Simplify right side
    196,645.94x = 32,623,995,483.13
  5. Step 5: Solve for x
    x = 32,623,995,483.13/196,645.94
  6. Step 6: Final answer
    x = 165,902.21

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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.