Home / 196,857.15-271,662.78-107,433.15

Finding the Fourth Proportional to 196,857.15, 271,662.78 and 107,433.15

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Solution

The fourth proportional to 196,857.15, 271,662.78 and 107,433.15 is: 148,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,857.15 : 271,662.78 = 107,433.15 : x
  2. Step 2: Convert to fraction form
    196,857.15/271,662.78 = 107,433.15/x
  3. Step 3: Cross multiply
    196,857.15x = 271,662.78 × 107,433.15
  4. Step 4: Simplify right side
    196,857.15x = 29,185,588,193.16
  5. Step 5: Solve for x
    x = 29,185,588,193.16/196,857.15
  6. Step 6: Final answer
    x = 148,257.70

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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.