Finding the Fourth Proportional to 264,579.92, 365,173.43 and 157,129.19
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Solution
The fourth proportional to 264,579.92, 365,173.43 and 157,129.19 is: 216,869.84
Step by Step Solution
- Step 1: Write the proportion equation
264,579.92 : 365,173.43 = 157,129.19 : x - Step 2: Convert to fraction form
264,579.92/365,173.43 = 157,129.19/x - Step 3: Cross multiply
264,579.92x = 365,173.43 × 157,129.19 - Step 4: Simplify right side
264,579.92x = 57,379,404,023.31 - Step 5: Solve for x
x = 57,379,404,023.31/264,579.92 - Step 6: Final answer
x = 216,869.84
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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.