Home / 196,616.69-271,326.98-109,399.86

Finding the Fourth Proportional to 196,616.69, 271,326.98 and 109,399.86

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Solution

The fourth proportional to 196,616.69, 271,326.98 and 109,399.86 is: 150,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,616.69 : 271,326.98 = 109,399.86 : x
  2. Step 2: Convert to fraction form
    196,616.69/271,326.98 = 109,399.86/x
  3. Step 3: Cross multiply
    196,616.69x = 271,326.98 × 109,399.86
  4. Step 4: Simplify right side
    196,616.69x = 29,683,132,991.24
  5. Step 5: Solve for x
    x = 29,683,132,991.24/196,616.69
  6. Step 6: Final answer
    x = 150,969.55

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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.