Home / 414,664.20-621,602.24-162,106.60

Finding the Fourth Proportional to 414,664.20, 621,602.24 and 162,106.60

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Solution

The fourth proportional to 414,664.20, 621,602.24 and 162,106.60 is: 243,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,664.20 : 621,602.24 = 162,106.60 : x
  2. Step 2: Convert to fraction form
    414,664.20/621,602.24 = 162,106.60/x
  3. Step 3: Cross multiply
    414,664.20x = 621,602.24 × 162,106.60
  4. Step 4: Simplify right side
    414,664.20x = 100,765,825,678.78
  5. Step 5: Solve for x
    x = 100,765,825,678.78/414,664.20
  6. Step 6: Final answer
    x = 243,005.85

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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.