Home / 373,815.47-515,865.22-204,049.60

Finding the Fourth Proportional to 373,815.47, 515,865.22 and 204,049.60

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Solution

The fourth proportional to 373,815.47, 515,865.22 and 204,049.60 is: 281,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,815.47 : 515,865.22 = 204,049.60 : x
  2. Step 2: Convert to fraction form
    373,815.47/515,865.22 = 204,049.60/x
  3. Step 3: Cross multiply
    373,815.47x = 515,865.22 × 204,049.60
  4. Step 4: Simplify right side
    373,815.47x = 105,262,089,995.13
  5. Step 5: Solve for x
    x = 105,262,089,995.13/373,815.47
  6. Step 6: Final answer
    x = 281,588.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.