Finding the Fourth Proportional to 265,207.86, 365,986.62 and 144,349.02
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Solution
The fourth proportional to 265,207.86, 365,986.62 and 144,349.02 is: 199,201.52
Step by Step Solution
- Step 1: Write the proportion equation
265,207.86 : 365,986.62 = 144,349.02 : x - Step 2: Convert to fraction form
265,207.86/365,986.62 = 144,349.02/x - Step 3: Cross multiply
265,207.86x = 365,986.62 × 144,349.02 - Step 4: Simplify right side
265,207.86x = 52,829,809,930.11 - Step 5: Solve for x
x = 52,829,809,930.11/265,207.86 - Step 6: Final answer
x = 199,201.52
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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.