Home / 194,481.12-268,433.88-126,667.08

Finding the Fourth Proportional to 194,481.12, 268,433.88 and 126,667.08

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Solution

The fourth proportional to 194,481.12, 268,433.88 and 126,667.08 is: 174,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,481.12 : 268,433.88 = 126,667.08 : x
  2. Step 2: Convert to fraction form
    194,481.12/268,433.88 = 126,667.08/x
  3. Step 3: Cross multiply
    194,481.12x = 268,433.88 × 126,667.08
  4. Step 4: Simplify right side
    194,481.12x = 34,001,735,752.67
  5. Step 5: Solve for x
    x = 34,001,735,752.67/194,481.12
  6. Step 6: Final answer
    x = 174,833.09

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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.