Home / 135,861.39-203,801.45-56,896.11

Finding the Fourth Proportional to 135,861.39, 203,801.45 and 56,896.11

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Solution

The fourth proportional to 135,861.39, 203,801.45 and 56,896.11 is: 85,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,861.39 : 203,801.45 = 56,896.11 : x
  2. Step 2: Convert to fraction form
    135,861.39/203,801.45 = 56,896.11/x
  3. Step 3: Cross multiply
    135,861.39x = 203,801.45 × 56,896.11
  4. Step 4: Simplify right side
    135,861.39x = 11,595,509,717.36
  5. Step 5: Solve for x
    x = 11,595,509,717.36/135,861.39
  6. Step 6: Final answer
    x = 85,348.09

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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.