Home / 135,752.50-203,634.24-64,638.55

Finding the Fourth Proportional to 135,752.50, 203,634.24 and 64,638.55

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Solution

The fourth proportional to 135,752.50, 203,634.24 and 64,638.55 is: 96,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,752.50 : 203,634.24 = 64,638.55 : x
  2. Step 2: Convert to fraction form
    135,752.50/203,634.24 = 64,638.55/x
  3. Step 3: Cross multiply
    135,752.50x = 203,634.24 × 64,638.55
  4. Step 4: Simplify right side
    135,752.50x = 13,162,622,003.95
  5. Step 5: Solve for x
    x = 13,162,622,003.95/135,752.50
  6. Step 6: Final answer
    x = 96,960.44

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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.