Home / 212,557.38-318,760.92-62,757.60

Finding the Fourth Proportional to 212,557.38, 318,760.92 and 62,757.60

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Solution

The fourth proportional to 212,557.38, 318,760.92 and 62,757.60 is: 94,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,557.38 : 318,760.92 = 62,757.60 : x
  2. Step 2: Convert to fraction form
    212,557.38/318,760.92 = 62,757.60/x
  3. Step 3: Cross multiply
    212,557.38x = 318,760.92 × 62,757.60
  4. Step 4: Simplify right side
    212,557.38x = 20,004,670,312.99
  5. Step 5: Solve for x
    x = 20,004,670,312.99/212,557.38
  6. Step 6: Final answer
    x = 94,114.21

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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.