Home / 263,638.55-395,476.27-105,867

Finding the Fourth Proportional to 263,638.55, 395,476.27 and 105,867

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Solution

The fourth proportional to 263,638.55, 395,476.27 and 105,867 is: 158,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,638.55 : 395,476.27 = 105,867 : x
  2. Step 2: Convert to fraction form
    263,638.55/395,476.27 = 105,867/x
  3. Step 3: Cross multiply
    263,638.55x = 395,476.27 × 105,867
  4. Step 4: Simplify right side
    263,638.55x = 41,867,886,606.92
  5. Step 5: Solve for x
    x = 41,867,886,606.92/263,638.55
  6. Step 6: Final answer
    x = 158,807.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.