Home / 196,485.39-271,149.84-107,061.39

Finding the Fourth Proportional to 196,485.39, 271,149.84 and 107,061.39

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Solution

The fourth proportional to 196,485.39, 271,149.84 and 107,061.39 is: 147,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,485.39 : 271,149.84 = 107,061.39 : x
  2. Step 2: Convert to fraction form
    196,485.39/271,149.84 = 107,061.39/x
  3. Step 3: Cross multiply
    196,485.39x = 271,149.84 × 107,061.39
  4. Step 4: Simplify right side
    196,485.39x = 29,029,676,877.62
  5. Step 5: Solve for x
    x = 29,029,676,877.62/196,485.39
  6. Step 6: Final answer
    x = 147,744.71

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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.