Home / 196,819.21-271,647.60-123,265.74

Finding the Fourth Proportional to 196,819.21, 271,647.60 and 123,265.74

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Solution

The fourth proportional to 196,819.21, 271,647.60 and 123,265.74 is: 170,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,819.21 : 271,647.60 = 123,265.74 : x
  2. Step 2: Convert to fraction form
    196,819.21/271,647.60 = 123,265.74/x
  3. Step 3: Cross multiply
    196,819.21x = 271,647.60 × 123,265.74
  4. Step 4: Simplify right side
    196,819.21x = 33,484,842,433.22
  5. Step 5: Solve for x
    x = 33,484,842,433.22/196,819.21
  6. Step 6: Final answer
    x = 170,129.95

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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.