Home / 212,448.04-318,568.38-75,625.54

Finding the Fourth Proportional to 212,448.04, 318,568.38 and 75,625.54

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Solution

The fourth proportional to 212,448.04, 318,568.38 and 75,625.54 is: 113,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,448.04 : 318,568.38 = 75,625.54 : x
  2. Step 2: Convert to fraction form
    212,448.04/318,568.38 = 75,625.54/x
  3. Step 3: Cross multiply
    212,448.04x = 318,568.38 × 75,625.54
  4. Step 4: Simplify right side
    212,448.04x = 24,091,905,764.43
  5. Step 5: Solve for x
    x = 24,091,905,764.43/212,448.04
  6. Step 6: Final answer
    x = 113,401.40

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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.