Finding the Fourth Proportional to 141,034.44, 194,624.19 and 77,371.68
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Solution
The fourth proportional to 141,034.44, 194,624.19 and 77,371.68 is: 106,771.09
Step by Step Solution
- Step 1: Write the proportion equation
141,034.44 : 194,624.19 = 77,371.68 : x - Step 2: Convert to fraction form
141,034.44/194,624.19 = 77,371.68/x - Step 3: Cross multiply
141,034.44x = 194,624.19 × 77,371.68 - Step 4: Simplify right side
141,034.44x = 15,058,400,548.94 - Step 5: Solve for x
x = 15,058,400,548.94/141,034.44 - Step 6: Final answer
x = 106,771.09
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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.