Home / 141,173.55-194,819.82-77,515.44

Finding the Fourth Proportional to 141,173.55, 194,819.82 and 77,515.44

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Solution

The fourth proportional to 141,173.55, 194,819.82 and 77,515.44 is: 106,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,173.55 : 194,819.82 = 77,515.44 : x
  2. Step 2: Convert to fraction form
    141,173.55/194,819.82 = 77,515.44/x
  3. Step 3: Cross multiply
    141,173.55x = 194,819.82 × 77,515.44
  4. Step 4: Simplify right side
    141,173.55x = 15,101,544,068.02
  5. Step 5: Solve for x
    x = 15,101,544,068.02/141,173.55
  6. Step 6: Final answer
    x = 106,971.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.