Finding the Fourth Proportional to 195,264.49, 269,387.95 and 122,624.65
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Solution
The fourth proportional to 195,264.49, 269,387.95 and 122,624.65 is: 169,173.63
Step by Step Solution
- Step 1: Write the proportion equation
195,264.49 : 269,387.95 = 122,624.65 : x - Step 2: Convert to fraction form
195,264.49/269,387.95 = 122,624.65/x - Step 3: Cross multiply
195,264.49x = 269,387.95 × 122,624.65 - Step 4: Simplify right side
195,264.49x = 33,033,603,343.06 - Step 5: Solve for x
x = 33,033,603,343.06/195,264.49 - Step 6: Final answer
x = 169,173.63
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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.