Home / 135,828.78-203,745-35,998.61

Finding the Fourth Proportional to 135,828.78, 203,745 and 35,998.61

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Solution

The fourth proportional to 135,828.78, 203,745 and 35,998.61 is: 53,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,828.78 : 203,745 = 35,998.61 : x
  2. Step 2: Convert to fraction form
    135,828.78/203,745 = 35,998.61/x
  3. Step 3: Cross multiply
    135,828.78x = 203,745 × 35,998.61
  4. Step 4: Simplify right side
    135,828.78x = 7,334,535,775.73
  5. Step 5: Solve for x
    x = 7,334,535,775.73/135,828.78
  6. Step 6: Final answer
    x = 53,998.39

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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.