Home / 212,201.15-318,352.29-62,446.32

Finding the Fourth Proportional to 212,201.15, 318,352.29 and 62,446.32

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Solution

The fourth proportional to 212,201.15, 318,352.29 and 62,446.32 is: 93,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,201.15 : 318,352.29 = 62,446.32 : x
  2. Step 2: Convert to fraction form
    212,201.15/318,352.29 = 62,446.32/x
  3. Step 3: Cross multiply
    212,201.15x = 318,352.29 × 62,446.32
  4. Step 4: Simplify right side
    212,201.15x = 19,879,929,933.72
  5. Step 5: Solve for x
    x = 19,879,929,933.72/212,201.15
  6. Step 6: Final answer
    x = 93,684.37

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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.