Home / 141,839.78-212,765.07-53,083.94

Finding the Fourth Proportional to 141,839.78, 212,765.07 and 53,083.94

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Solution

The fourth proportional to 141,839.78, 212,765.07 and 53,083.94 is: 79,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,839.78 : 212,765.07 = 53,083.94 : x
  2. Step 2: Convert to fraction form
    141,839.78/212,765.07 = 53,083.94/x
  3. Step 3: Cross multiply
    141,839.78x = 212,765.07 × 53,083.94
  4. Step 4: Simplify right side
    141,839.78x = 11,294,408,209.98
  5. Step 5: Solve for x
    x = 11,294,408,209.98/141,839.78
  6. Step 6: Final answer
    x = 79,627.93

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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.