Home / 110,837.20-166,255.80-75,845.20

Finding the Fourth Proportional to 110,837.20, 166,255.80 and 75,845.20

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Solution

The fourth proportional to 110,837.20, 166,255.80 and 75,845.20 is: 113,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,837.20 : 166,255.80 = 75,845.20 : x
  2. Step 2: Convert to fraction form
    110,837.20/166,255.80 = 75,845.20/x
  3. Step 3: Cross multiply
    110,837.20x = 166,255.80 × 75,845.20
  4. Step 4: Simplify right side
    110,837.20x = 12,609,704,402.16
  5. Step 5: Solve for x
    x = 12,609,704,402.16/110,837.20
  6. Step 6: Final answer
    x = 113,767.80

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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.