Finding the Fourth Proportional to 193,853.52, 267,514.38 and 118,402.02
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Solution
The fourth proportional to 193,853.52, 267,514.38 and 118,402.02 is: 163,392.66
Step by Step Solution
- Step 1: Write the proportion equation
193,853.52 : 267,514.38 = 118,402.02 : x - Step 2: Convert to fraction form
193,853.52/267,514.38 = 118,402.02/x - Step 3: Cross multiply
193,853.52x = 267,514.38 × 118,402.02 - Step 4: Simplify right side
193,853.52x = 31,674,242,971.05 - Step 5: Solve for x
x = 31,674,242,971.05/193,853.52 - Step 6: Final answer
x = 163,392.66
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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.