Finding the Fourth Proportional to 252,834.16, 348,893.40 and 139,648
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Solution
The fourth proportional to 252,834.16, 348,893.40 and 139,648 is: 192,704.44
Step by Step Solution
- Step 1: Write the proportion equation
252,834.16 : 348,893.40 = 139,648 : x - Step 2: Convert to fraction form
252,834.16/348,893.40 = 139,648/x - Step 3: Cross multiply
252,834.16x = 348,893.40 × 139,648 - Step 4: Simplify right side
252,834.16x = 48,722,265,523.20 - Step 5: Solve for x
x = 48,722,265,523.20/252,834.16 - Step 6: Final answer
x = 192,704.44
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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.