Home / 141,408.88-212,121.12-46,635.20

Finding the Fourth Proportional to 141,408.88, 212,121.12 and 46,635.20

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Solution

The fourth proportional to 141,408.88, 212,121.12 and 46,635.20 is: 69,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,408.88 : 212,121.12 = 46,635.20 : x
  2. Step 2: Convert to fraction form
    141,408.88/212,121.12 = 46,635.20/x
  3. Step 3: Cross multiply
    141,408.88x = 212,121.12 × 46,635.20
  4. Step 4: Simplify right side
    141,408.88x = 9,892,310,855.42
  5. Step 5: Solve for x
    x = 9,892,310,855.42/141,408.88
  6. Step 6: Final answer
    x = 69,955.37

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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.