Home / 212,281.76-318,371.61-62,481.38

Finding the Fourth Proportional to 212,281.76, 318,371.61 and 62,481.38

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Solution

The fourth proportional to 212,281.76, 318,371.61 and 62,481.38 is: 93,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,281.76 : 318,371.61 = 62,481.38 : x
  2. Step 2: Convert to fraction form
    212,281.76/318,371.61 = 62,481.38/x
  3. Step 3: Cross multiply
    212,281.76x = 318,371.61 × 62,481.38
  4. Step 4: Simplify right side
    212,281.76x = 19,892,297,545.62
  5. Step 5: Solve for x
    x = 19,892,297,545.62/212,281.76
  6. Step 6: Final answer
    x = 93,707.05

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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.