Home / 135,558.52-203,363.36-51,343.90

Finding the Fourth Proportional to 135,558.52, 203,363.36 and 51,343.90

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Solution

The fourth proportional to 135,558.52, 203,363.36 and 51,343.90 is: 77,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,558.52 : 203,363.36 = 51,343.90 : x
  2. Step 2: Convert to fraction form
    135,558.52/203,363.36 = 51,343.90/x
  3. Step 3: Cross multiply
    135,558.52x = 203,363.36 × 51,343.90
  4. Step 4: Simplify right side
    135,558.52x = 10,441,467,762.78
  5. Step 5: Solve for x
    x = 10,441,467,762.78/135,558.52
  6. Step 6: Final answer
    x = 77,025.54

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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.