Home / 481,905.92-722,943.48-162,027.20

Finding the Fourth Proportional to 481,905.92, 722,943.48 and 162,027.20

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Solution

The fourth proportional to 481,905.92, 722,943.48 and 162,027.20 is: 243,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,905.92 : 722,943.48 = 162,027.20 : x
  2. Step 2: Convert to fraction form
    481,905.92/722,943.48 = 162,027.20/x
  3. Step 3: Cross multiply
    481,905.92x = 722,943.48 × 162,027.20
  4. Step 4: Simplify right side
    481,905.92x = 117,136,507,822.66
  5. Step 5: Solve for x
    x = 117,136,507,822.66/481,905.92
  6. Step 6: Final answer
    x = 243,069.24

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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.