Finding the Fourth Proportional to 193,876.36, 267,440.10 and 113,286.76
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Solution
The fourth proportional to 193,876.36, 267,440.10 and 113,286.76 is: 156,271.88
Step by Step Solution
- Step 1: Write the proportion equation
193,876.36 : 267,440.10 = 113,286.76 : x - Step 2: Convert to fraction form
193,876.36/267,440.10 = 113,286.76/x - Step 3: Cross multiply
193,876.36x = 267,440.10 × 113,286.76 - Step 4: Simplify right side
193,876.36x = 30,297,422,423.08 - Step 5: Solve for x
x = 30,297,422,423.08/193,876.36 - Step 6: Final answer
x = 156,271.88
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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.