Finding the Fourth Proportional to 213,136.44, 294,135.41 and 116,346.03
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Solution
The fourth proportional to 213,136.44, 294,135.41 and 116,346.03 is: 160,561.41
Step by Step Solution
- Step 1: Write the proportion equation
213,136.44 : 294,135.41 = 116,346.03 : x - Step 2: Convert to fraction form
213,136.44/294,135.41 = 116,346.03/x - Step 3: Cross multiply
213,136.44x = 294,135.41 × 116,346.03 - Step 4: Simplify right side
213,136.44x = 34,221,486,654.19 - Step 5: Solve for x
x = 34,221,486,654.19/213,136.44 - Step 6: Final answer
x = 160,561.41
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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.