Finding the Fourth Proportional to 198,339.84, 273,670.48 and 117,792.63
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Solution
The fourth proportional to 198,339.84, 273,670.48 and 117,792.63 is: 162,530.96
Step by Step Solution
- Step 1: Write the proportion equation
198,339.84 : 273,670.48 = 117,792.63 : x - Step 2: Convert to fraction form
198,339.84/273,670.48 = 117,792.63/x - Step 3: Cross multiply
198,339.84x = 273,670.48 × 117,792.63 - Step 4: Simplify right side
198,339.84x = 32,236,364,224.21 - Step 5: Solve for x
x = 32,236,364,224.21/198,339.84 - Step 6: Final answer
x = 162,530.96
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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.