Home / 283,185.20-390,796.92-162,333.44

Finding the Fourth Proportional to 283,185.20, 390,796.92 and 162,333.44

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Solution

The fourth proportional to 283,185.20, 390,796.92 and 162,333.44 is: 224,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,185.20 : 390,796.92 = 162,333.44 : x
  2. Step 2: Convert to fraction form
    283,185.20/390,796.92 = 162,333.44/x
  3. Step 3: Cross multiply
    283,185.20x = 390,796.92 × 162,333.44
  4. Step 4: Simplify right side
    283,185.20x = 63,439,408,365.00
  5. Step 5: Solve for x
    x = 63,439,408,365.00/283,185.20
  6. Step 6: Final answer
    x = 224,020.92

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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.