Home / 135,839.40-203,759.10-35,999.40

Finding the Fourth Proportional to 135,839.40, 203,759.10 and 35,999.40

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Solution

The fourth proportional to 135,839.40, 203,759.10 and 35,999.40 is: 53,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,839.40 : 203,759.10 = 35,999.40 : x
  2. Step 2: Convert to fraction form
    135,839.40/203,759.10 = 35,999.40/x
  3. Step 3: Cross multiply
    135,839.40x = 203,759.10 × 35,999.40
  4. Step 4: Simplify right side
    135,839.40x = 7,335,205,344.54
  5. Step 5: Solve for x
    x = 7,335,205,344.54/135,839.40
  6. Step 6: Final answer
    x = 53,999.10

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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.