Home / 196,491.76-271,158.63-107,067.76

Finding the Fourth Proportional to 196,491.76, 271,158.63 and 107,067.76

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Solution

The fourth proportional to 196,491.76, 271,158.63 and 107,067.76 is: 147,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,491.76 : 271,158.63 = 107,067.76 : x
  2. Step 2: Convert to fraction form
    196,491.76/271,158.63 = 107,067.76/x
  3. Step 3: Cross multiply
    196,491.76x = 271,158.63 × 107,067.76
  4. Step 4: Simplify right side
    196,491.76x = 29,032,347,118.77
  5. Step 5: Solve for x
    x = 29,032,347,118.77/196,491.76
  6. Step 6: Final answer
    x = 147,753.51

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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.