Finding the Fourth Proportional to 292,269.75, 403,332.26 and 158,133.75
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Solution
The fourth proportional to 292,269.75, 403,332.26 and 158,133.75 is: 218,224.58
Step by Step Solution
- Step 1: Write the proportion equation
292,269.75 : 403,332.26 = 158,133.75 : x - Step 2: Convert to fraction form
292,269.75/403,332.26 = 158,133.75/x - Step 3: Cross multiply
292,269.75x = 403,332.26 × 158,133.75 - Step 4: Simplify right side
292,269.75x = 63,780,441,979.11 - Step 5: Solve for x
x = 63,780,441,979.11/292,269.75 - Step 6: Final answer
x = 218,224.58
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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.