Home / 268,311.78-402,652.20-110,540.23

Finding the Fourth Proportional to 268,311.78, 402,652.20 and 110,540.23

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Solution

The fourth proportional to 268,311.78, 402,652.20 and 110,540.23 is: 165,886.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,311.78 : 402,652.20 = 110,540.23 : x
  2. Step 2: Convert to fraction form
    268,311.78/402,652.20 = 110,540.23/x
  3. Step 3: Cross multiply
    268,311.78x = 402,652.20 × 110,540.23
  4. Step 4: Simplify right side
    268,311.78x = 44,509,266,205.90
  5. Step 5: Solve for x
    x = 44,509,266,205.90/268,311.78
  6. Step 6: Final answer
    x = 165,886.37

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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.