Home / 212,735.43-318,990.24-62,955.09

Finding the Fourth Proportional to 212,735.43, 318,990.24 and 62,955.09

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Solution

The fourth proportional to 212,735.43, 318,990.24 and 62,955.09 is: 94,399.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,735.43 : 318,990.24 = 62,955.09 : x
  2. Step 2: Convert to fraction form
    212,735.43/318,990.24 = 62,955.09/x
  3. Step 3: Cross multiply
    212,735.43x = 318,990.24 × 62,955.09
  4. Step 4: Simplify right side
    212,735.43x = 20,082,059,268.32
  5. Step 5: Solve for x
    x = 20,082,059,268.32/212,735.43
  6. Step 6: Final answer
    x = 94,399.22

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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.