Home / 135,010.20-202,515.30-127,234.20

Finding the Fourth Proportional to 135,010.20, 202,515.30 and 127,234.20

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Solution

The fourth proportional to 135,010.20, 202,515.30 and 127,234.20 is: 190,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,010.20 : 202,515.30 = 127,234.20 : x
  2. Step 2: Convert to fraction form
    135,010.20/202,515.30 = 127,234.20/x
  3. Step 3: Cross multiply
    135,010.20x = 202,515.30 × 127,234.20
  4. Step 4: Simplify right side
    135,010.20x = 25,766,872,183.26
  5. Step 5: Solve for x
    x = 25,766,872,183.26/135,010.20
  6. Step 6: Final answer
    x = 190,851.30

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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.