Home / 141,137.51-194,769.36-77,473.94

Finding the Fourth Proportional to 141,137.51, 194,769.36 and 77,473.94

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Solution

The fourth proportional to 141,137.51, 194,769.36 and 77,473.94 is: 106,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,137.51 : 194,769.36 = 77,473.94 : x
  2. Step 2: Convert to fraction form
    141,137.51/194,769.36 = 77,473.94/x
  3. Step 3: Cross multiply
    141,137.51x = 194,769.36 × 77,473.94
  4. Step 4: Simplify right side
    141,137.51x = 15,089,548,736.63
  5. Step 5: Solve for x
    x = 15,089,548,736.63/141,137.51
  6. Step 6: Final answer
    x = 106,913.81

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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.