Finding the Fourth Proportional to 194,629.70, 291,296.55 and 141,169.70
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Solution
The fourth proportional to 194,629.70, 291,296.55 and 141,169.70 is: 211,284.54
Step by Step Solution
- Step 1: Write the proportion equation
194,629.70 : 291,296.55 = 141,169.70 : x - Step 2: Convert to fraction form
194,629.70/291,296.55 = 141,169.70/x - Step 3: Cross multiply
194,629.70x = 291,296.55 × 141,169.70 - Step 4: Simplify right side
194,629.70x = 41,122,246,574.54 - Step 5: Solve for x
x = 41,122,246,574.54/194,629.70 - Step 6: Final answer
x = 211,284.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.