Home / 212,151.17-318,150.20-62,351.39

Finding the Fourth Proportional to 212,151.17, 318,150.20 and 62,351.39

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Solution

The fourth proportional to 212,151.17, 318,150.20 and 62,351.39 is: 93,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,151.17 : 318,150.20 = 62,351.39 : x
  2. Step 2: Convert to fraction form
    212,151.17/318,150.20 = 62,351.39/x
  3. Step 3: Cross multiply
    212,151.17x = 318,150.20 × 62,351.39
  4. Step 4: Simplify right side
    212,151.17x = 19,837,105,296.27
  5. Step 5: Solve for x
    x = 19,837,105,296.27/212,151.17
  6. Step 6: Final answer
    x = 93,504.58

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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.