Finding the Fourth Proportional to 264,640.95, 396,961.41 and 96,129.84
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Solution
The fourth proportional to 264,640.95, 396,961.41 and 96,129.84 is: 144,194.75
Step by Step Solution
- Step 1: Write the proportion equation
264,640.95 : 396,961.41 = 96,129.84 : x - Step 2: Convert to fraction form
264,640.95/396,961.41 = 96,129.84/x - Step 3: Cross multiply
264,640.95x = 396,961.41 × 96,129.84 - Step 4: Simplify right side
264,640.95x = 38,159,836,829.47 - Step 5: Solve for x
x = 38,159,836,829.47/264,640.95 - Step 6: Final answer
x = 144,194.75
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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.