Home / 362,625.15-543,190.30-212,410.03

Finding the Fourth Proportional to 362,625.15, 543,190.30 and 212,410.03

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Solution

The fourth proportional to 362,625.15, 543,190.30 and 212,410.03 is: 318,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,625.15 : 543,190.30 = 212,410.03 : x
  2. Step 2: Convert to fraction form
    362,625.15/543,190.30 = 212,410.03/x
  3. Step 3: Cross multiply
    362,625.15x = 543,190.30 × 212,410.03
  4. Step 4: Simplify right side
    362,625.15x = 115,379,067,918.71
  5. Step 5: Solve for x
    x = 115,379,067,918.71/362,625.15
  6. Step 6: Final answer
    x = 318,177.24

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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.