Home / 194,909.18-268,979.09-114,394.77

Finding the Fourth Proportional to 194,909.18, 268,979.09 and 114,394.77

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Solution

The fourth proportional to 194,909.18, 268,979.09 and 114,394.77 is: 157,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,909.18 : 268,979.09 = 114,394.77 : x
  2. Step 2: Convert to fraction form
    194,909.18/268,979.09 = 114,394.77/x
  3. Step 3: Cross multiply
    194,909.18x = 268,979.09 × 114,394.77
  4. Step 4: Simplify right side
    194,909.18x = 30,769,800,563.39
  5. Step 5: Solve for x
    x = 30,769,800,563.39/194,909.18
  6. Step 6: Final answer
    x = 157,867.38

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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.