Home / 212,227.55-318,231.74-62,448.36

Finding the Fourth Proportional to 212,227.55, 318,231.74 and 62,448.36

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Solution

The fourth proportional to 212,227.55, 318,231.74 and 62,448.36 is: 93,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,227.55 : 318,231.74 = 62,448.36 : x
  2. Step 2: Convert to fraction form
    212,227.55/318,231.74 = 62,448.36/x
  3. Step 3: Cross multiply
    212,227.55x = 318,231.74 × 62,448.36
  4. Step 4: Simplify right side
    212,227.55x = 19,873,049,950.70
  5. Step 5: Solve for x
    x = 19,873,049,950.70/212,227.55
  6. Step 6: Final answer
    x = 93,640.30

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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.