Home / 212,297.12-318,392.24-62,507.36

Finding the Fourth Proportional to 212,297.12, 318,392.24 and 62,507.36

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Solution

The fourth proportional to 212,297.12, 318,392.24 and 62,507.36 is: 93,745.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,297.12 : 318,392.24 = 62,507.36 : x
  2. Step 2: Convert to fraction form
    212,297.12/318,392.24 = 62,507.36/x
  3. Step 3: Cross multiply
    212,297.12x = 318,392.24 × 62,507.36
  4. Step 4: Simplify right side
    212,297.12x = 19,901,858,366.89
  5. Step 5: Solve for x
    x = 19,901,858,366.89/212,297.12
  6. Step 6: Final answer
    x = 93,745.31

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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.