Home / 415,184.20-622,743.90-162,415.60

Finding the Fourth Proportional to 415,184.20, 622,743.90 and 162,415.60

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Solution

The fourth proportional to 415,184.20, 622,743.90 and 162,415.60 is: 243,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,184.20 : 622,743.90 = 162,415.60 : x
  2. Step 2: Convert to fraction form
    415,184.20/622,743.90 = 162,415.60/x
  3. Step 3: Cross multiply
    415,184.20x = 622,743.90 × 162,415.60
  4. Step 4: Simplify right side
    415,184.20x = 101,143,324,164.84
  5. Step 5: Solve for x
    x = 101,143,324,164.84/415,184.20
  6. Step 6: Final answer
    x = 243,610.73

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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.