Home / 212,435.04-318,578.31-62,635.56

Finding the Fourth Proportional to 212,435.04, 318,578.31 and 62,635.56

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Solution

The fourth proportional to 212,435.04, 318,578.31 and 62,635.56 is: 93,931.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,435.04 : 318,578.31 = 62,635.56 : x
  2. Step 2: Convert to fraction form
    212,435.04/318,578.31 = 62,635.56/x
  3. Step 3: Cross multiply
    212,435.04x = 318,578.31 × 62,635.56
  4. Step 4: Simplify right side
    212,435.04x = 19,954,330,850.70
  5. Step 5: Solve for x
    x = 19,954,330,850.70/212,435.04
  6. Step 6: Final answer
    x = 93,931.45

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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.