Finding the Fourth Proportional to 146,843.12, 202,466.21 and 124,142.06
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Solution
The fourth proportional to 146,843.12, 202,466.21 and 124,142.06 is: 171,166.15
Step by Step Solution
- Step 1: Write the proportion equation
146,843.12 : 202,466.21 = 124,142.06 : x - Step 2: Convert to fraction form
146,843.12/202,466.21 = 124,142.06/x - Step 3: Cross multiply
146,843.12x = 202,466.21 × 124,142.06 - Step 4: Simplify right side
146,843.12x = 25,134,572,275.25 - Step 5: Solve for x
x = 25,134,572,275.25/146,843.12 - Step 6: Final answer
x = 171,166.15
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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.