Home / 212,448.62-318,727.61-62,682.86

Finding the Fourth Proportional to 212,448.62, 318,727.61 and 62,682.86

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Solution

The fourth proportional to 212,448.62, 318,727.61 and 62,682.86 is: 94,040.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,448.62 : 318,727.61 = 62,682.86 : x
  2. Step 2: Convert to fraction form
    212,448.62/318,727.61 = 62,682.86/x
  3. Step 3: Cross multiply
    212,448.62x = 318,727.61 × 62,682.86
  4. Step 4: Simplify right side
    212,448.62x = 19,978,758,155.76
  5. Step 5: Solve for x
    x = 19,978,758,155.76/212,448.62
  6. Step 6: Final answer
    x = 94,040.42

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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.