Home / 194,854.39-268,893.61-109,979.35

Finding the Fourth Proportional to 194,854.39, 268,893.61 and 109,979.35

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Solution

The fourth proportional to 194,854.39, 268,893.61 and 109,979.35 is: 151,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,854.39 : 268,893.61 = 109,979.35 : x
  2. Step 2: Convert to fraction form
    194,854.39/268,893.61 = 109,979.35/x
  3. Step 3: Cross multiply
    194,854.39x = 268,893.61 × 109,979.35
  4. Step 4: Simplify right side
    194,854.39x = 29,572,744,446.95
  5. Step 5: Solve for x
    x = 29,572,744,446.95/194,854.39
  6. Step 6: Final answer
    x = 151,768.43

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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.