Finding the Fourth Proportional to 135,725.22, 202,874.22 and 117,812.88
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Solution
The fourth proportional to 135,725.22, 202,874.22 and 117,812.88 is: 176,099.89
Step by Step Solution
- Step 1: Write the proportion equation
135,725.22 : 202,874.22 = 117,812.88 : x - Step 2: Convert to fraction form
135,725.22/202,874.22 = 117,812.88/x - Step 3: Cross multiply
135,725.22x = 202,874.22 × 117,812.88 - Step 4: Simplify right side
135,725.22x = 23,901,196,135.95 - Step 5: Solve for x
x = 23,901,196,135.95/135,725.22 - Step 6: Final answer
x = 176,099.89
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.