Home / 212,642.38-318,992.73-62,894.44

Finding the Fourth Proportional to 212,642.38, 318,992.73 and 62,894.44

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Solution

The fourth proportional to 212,642.38, 318,992.73 and 62,894.44 is: 94,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,642.38 : 318,992.73 = 62,894.44 : x
  2. Step 2: Convert to fraction form
    212,642.38/318,992.73 = 62,894.44/x
  3. Step 3: Cross multiply
    212,642.38x = 318,992.73 × 62,894.44
  4. Step 4: Simplify right side
    212,642.38x = 20,062,869,117.42
  5. Step 5: Solve for x
    x = 20,062,869,117.42/212,642.38
  6. Step 6: Final answer
    x = 94,350.28

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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.