Finding the Fourth Proportional to 193,658.11, 267,242.37 and 107,616.80
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Solution
The fourth proportional to 193,658.11, 267,242.37 and 107,616.80 is: 148,507.95
Step by Step Solution
- Step 1: Write the proportion equation
193,658.11 : 267,242.37 = 107,616.80 : x - Step 2: Convert to fraction form
193,658.11/267,242.37 = 107,616.80/x - Step 3: Cross multiply
193,658.11x = 267,242.37 × 107,616.80 - Step 4: Simplify right side
193,658.11x = 28,759,768,683.82 - Step 5: Solve for x
x = 28,759,768,683.82/193,658.11 - Step 6: Final answer
x = 148,507.95
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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.