Home / 212,132.52-318,198.66-62,374.05

Finding the Fourth Proportional to 212,132.52, 318,198.66 and 62,374.05

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Solution

The fourth proportional to 212,132.52, 318,198.66 and 62,374.05 is: 93,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,132.52 : 318,198.66 = 62,374.05 : x
  2. Step 2: Convert to fraction form
    212,132.52/318,198.66 = 62,374.05/x
  3. Step 3: Cross multiply
    212,132.52x = 318,198.66 × 62,374.05
  4. Step 4: Simplify right side
    212,132.52x = 19,847,339,128.77
  5. Step 5: Solve for x
    x = 19,847,339,128.77/212,132.52
  6. Step 6: Final answer
    x = 93,561.04

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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.