Finding the Fourth Proportional to 273,267.20, 409,682.10 and 115,365.80
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Solution
The fourth proportional to 273,267.20, 409,682.10 and 115,365.80 is: 172,956.37
Step by Step Solution
- Step 1: Write the proportion equation
273,267.20 : 409,682.10 = 115,365.80 : x - Step 2: Convert to fraction form
273,267.20/409,682.10 = 115,365.80/x - Step 3: Cross multiply
273,267.20x = 409,682.10 × 115,365.80 - Step 4: Simplify right side
273,267.20x = 47,263,303,212.18 - Step 5: Solve for x
x = 47,263,303,212.18/273,267.20 - Step 6: Final answer
x = 172,956.37
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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.