Home / 212,389.62-318,591.33-62,617.35

Finding the Fourth Proportional to 212,389.62, 318,591.33 and 62,617.35

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Solution

The fourth proportional to 212,389.62, 318,591.33 and 62,617.35 is: 93,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,389.62 : 318,591.33 = 62,617.35 : x
  2. Step 2: Convert to fraction form
    212,389.62/318,591.33 = 62,617.35/x
  3. Step 3: Cross multiply
    212,389.62x = 318,591.33 × 62,617.35
  4. Step 4: Simplify right side
    212,389.62x = 19,949,344,817.58
  5. Step 5: Solve for x
    x = 19,949,344,817.58/212,389.62
  6. Step 6: Final answer
    x = 93,928.06

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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.