Home / 362,731.20-543,902.40-152,131.20

Finding the Fourth Proportional to 362,731.20, 543,902.40 and 152,131.20

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Solution

The fourth proportional to 362,731.20, 543,902.40 and 152,131.20 is: 228,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,731.20 : 543,902.40 = 152,131.20 : x
  2. Step 2: Convert to fraction form
    362,731.20/543,902.40 = 152,131.20/x
  3. Step 3: Cross multiply
    362,731.20x = 543,902.40 × 152,131.20
  4. Step 4: Simplify right side
    362,731.20x = 82,744,524,794.88
  5. Step 5: Solve for x
    x = 82,744,524,794.88/362,731.20
  6. Step 6: Final answer
    x = 228,115.27

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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.