Finding the Fourth Proportional to 193,991.05, 267,555.97 and 126,029.91
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Solution
The fourth proportional to 193,991.05, 267,555.97 and 126,029.91 is: 173,822.74
Step by Step Solution
- Step 1: Write the proportion equation
193,991.05 : 267,555.97 = 126,029.91 : x - Step 2: Convert to fraction form
193,991.05/267,555.97 = 126,029.91/x - Step 3: Cross multiply
193,991.05x = 267,555.97 × 126,029.91 - Step 4: Simplify right side
193,991.05x = 33,720,054,503.99 - Step 5: Solve for x
x = 33,720,054,503.99/193,991.05 - Step 6: Final answer
x = 173,822.74
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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.