Home / 135,501.48-203,321.61-64,504.44

Finding the Fourth Proportional to 135,501.48, 203,321.61 and 64,504.44

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Solution

The fourth proportional to 135,501.48, 203,321.61 and 64,504.44 is: 96,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,501.48 : 203,321.61 = 64,504.44 : x
  2. Step 2: Convert to fraction form
    135,501.48/203,321.61 = 64,504.44/x
  3. Step 3: Cross multiply
    135,501.48x = 203,321.61 × 64,504.44
  4. Step 4: Simplify right side
    135,501.48x = 13,115,146,592.95
  5. Step 5: Solve for x
    x = 13,115,146,592.95/135,501.48
  6. Step 6: Final answer
    x = 96,789.69

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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.