Home / 135,621.68-203,409.30-35,782.91

Finding the Fourth Proportional to 135,621.68, 203,409.30 and 35,782.91

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Solution

The fourth proportional to 135,621.68, 203,409.30 and 35,782.91 is: 53,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,621.68 : 203,409.30 = 35,782.91 : x
  2. Step 2: Convert to fraction form
    135,621.68/203,409.30 = 35,782.91/x
  3. Step 3: Cross multiply
    135,621.68x = 203,409.30 × 35,782.91
  4. Step 4: Simplify right side
    135,621.68x = 7,278,575,658.02
  5. Step 5: Solve for x
    x = 7,278,575,658.02/135,621.68
  6. Step 6: Final answer
    x = 53,668.23

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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.