Finding the Fourth Proportional to 151,568.16, 227,203.60 and 129,129.54
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Solution
The fourth proportional to 151,568.16, 227,203.60 and 129,129.54 is: 193,567.68
Step by Step Solution
- Step 1: Write the proportion equation
151,568.16 : 227,203.60 = 129,129.54 : x - Step 2: Convert to fraction form
151,568.16/227,203.60 = 129,129.54/x - Step 3: Cross multiply
151,568.16x = 227,203.60 × 129,129.54 - Step 4: Simplify right side
151,568.16x = 29,338,696,354.34 - Step 5: Solve for x
x = 29,338,696,354.34/151,568.16 - Step 6: Final answer
x = 193,567.68
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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.