Home / 135,563.76-203,298.83-55,579.03

Finding the Fourth Proportional to 135,563.76, 203,298.83 and 55,579.03

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Solution

The fourth proportional to 135,563.76, 203,298.83 and 55,579.03 is: 83,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,563.76 : 203,298.83 = 55,579.03 : x
  2. Step 2: Convert to fraction form
    135,563.76/203,298.83 = 55,579.03/x
  3. Step 3: Cross multiply
    135,563.76x = 203,298.83 × 55,579.03
  4. Step 4: Simplify right side
    135,563.76x = 11,299,151,193.81
  5. Step 5: Solve for x
    x = 11,299,151,193.81/135,563.76
  6. Step 6: Final answer
    x = 83,349.35

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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.