Home / 141,288.58-194,968.41-77,629.06

Finding the Fourth Proportional to 141,288.58, 194,968.41 and 77,629.06

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Solution

The fourth proportional to 141,288.58, 194,968.41 and 77,629.06 is: 107,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,288.58 : 194,968.41 = 77,629.06 : x
  2. Step 2: Convert to fraction form
    141,288.58/194,968.41 = 77,629.06/x
  3. Step 3: Cross multiply
    141,288.58x = 194,968.41 × 77,629.06
  4. Step 4: Simplify right side
    141,288.58x = 15,135,214,397.99
  5. Step 5: Solve for x
    x = 15,135,214,397.99/141,288.58
  6. Step 6: Final answer
    x = 107,122.70

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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.