Home / 141,839.28-212,764.32-53,083.44

Finding the Fourth Proportional to 141,839.28, 212,764.32 and 53,083.44

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Solution

The fourth proportional to 141,839.28, 212,764.32 and 53,083.44 is: 79,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,839.28 : 212,764.32 = 53,083.44 : x
  2. Step 2: Convert to fraction form
    141,839.28/212,764.32 = 53,083.44/x
  3. Step 3: Cross multiply
    141,839.28x = 212,764.32 × 53,083.44
  4. Step 4: Simplify right side
    141,839.28x = 11,294,262,014.86
  5. Step 5: Solve for x
    x = 11,294,262,014.86/141,839.28
  6. Step 6: Final answer
    x = 79,627.18

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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.