Home / 196,464.12-271,120.50-107,040.12

Finding the Fourth Proportional to 196,464.12, 271,120.50 and 107,040.12

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Solution

The fourth proportional to 196,464.12, 271,120.50 and 107,040.12 is: 147,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,464.12 : 271,120.50 = 107,040.12 : x
  2. Step 2: Convert to fraction form
    196,464.12/271,120.50 = 107,040.12/x
  3. Step 3: Cross multiply
    196,464.12x = 271,120.50 × 107,040.12
  4. Step 4: Simplify right side
    196,464.12x = 29,020,770,854.46
  5. Step 5: Solve for x
    x = 29,020,770,854.46/196,464.12
  6. Step 6: Final answer
    x = 147,715.37

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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.