Home / 196,803.12-271,591.44-107,379.12

Finding the Fourth Proportional to 196,803.12, 271,591.44 and 107,379.12

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Solution

The fourth proportional to 196,803.12, 271,591.44 and 107,379.12 is: 148,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,803.12 : 271,591.44 = 107,379.12 : x
  2. Step 2: Convert to fraction form
    196,803.12/271,591.44 = 107,379.12/x
  3. Step 3: Cross multiply
    196,803.12x = 271,591.44 × 107,379.12
  4. Step 4: Simplify right side
    196,803.12x = 29,163,249,826.73
  5. Step 5: Solve for x
    x = 29,163,249,826.73/196,803.12
  6. Step 6: Final answer
    x = 148,184.90

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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.