Home / 225,933.63-338,897.21-55,157.55

Finding the Fourth Proportional to 225,933.63, 338,897.21 and 55,157.55

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Solution

The fourth proportional to 225,933.63, 338,897.21 and 55,157.55 is: 82,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,933.63 : 338,897.21 = 55,157.55 : x
  2. Step 2: Convert to fraction form
    225,933.63/338,897.21 = 55,157.55/x
  3. Step 3: Cross multiply
    225,933.63x = 338,897.21 × 55,157.55
  4. Step 4: Simplify right side
    225,933.63x = 18,692,739,529.65
  5. Step 5: Solve for x
    x = 18,692,739,529.65/225,933.63
  6. Step 6: Final answer
    x = 82,735.53

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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.