Home / 135,255.20-202,882.80-36,759.20

Finding the Fourth Proportional to 135,255.20, 202,882.80 and 36,759.20

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Solution

The fourth proportional to 135,255.20, 202,882.80 and 36,759.20 is: 55,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,255.20 : 202,882.80 = 36,759.20 : x
  2. Step 2: Convert to fraction form
    135,255.20/202,882.80 = 36,759.20/x
  3. Step 3: Cross multiply
    135,255.20x = 202,882.80 × 36,759.20
  4. Step 4: Simplify right side
    135,255.20x = 7,457,809,421.76
  5. Step 5: Solve for x
    x = 7,457,809,421.76/135,255.20
  6. Step 6: Final answer
    x = 55,138.80

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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.