Finding the Fourth Proportional to 363,138.19, 544,794.76 and 113,820.19
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Solution
The fourth proportional to 363,138.19, 544,794.76 and 113,820.19 is: 170,757.70
Step by Step Solution
- Step 1: Write the proportion equation
363,138.19 : 544,794.76 = 113,820.19 : x - Step 2: Convert to fraction form
363,138.19/544,794.76 = 113,820.19/x - Step 3: Cross multiply
363,138.19x = 544,794.76 × 113,820.19 - Step 4: Simplify right side
363,138.19x = 62,008,641,874.49 - Step 5: Solve for x
x = 62,008,641,874.49/363,138.19 - Step 6: Final answer
x = 170,757.70
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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.