Home / 135,826.68-203,749.20-35,985.56

Finding the Fourth Proportional to 135,826.68, 203,749.20 and 35,985.56

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Solution

The fourth proportional to 135,826.68, 203,749.20 and 35,985.56 is: 53,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,826.68 : 203,749.20 = 35,985.56 : x
  2. Step 2: Convert to fraction form
    135,826.68/203,749.20 = 35,985.56/x
  3. Step 3: Cross multiply
    135,826.68x = 203,749.20 × 35,985.56
  4. Step 4: Simplify right side
    135,826.68x = 7,332,029,061.55
  5. Step 5: Solve for x
    x = 7,332,029,061.55/135,826.68
  6. Step 6: Final answer
    x = 53,980.77

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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.