Finding the Fourth Proportional to 226,333.36, 312,342.78 and 124,364.08
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Solution
The fourth proportional to 226,333.36, 312,342.78 and 124,364.08 is: 171,623.94
Step by Step Solution
- Step 1: Write the proportion equation
226,333.36 : 312,342.78 = 124,364.08 : x - Step 2: Convert to fraction form
226,333.36/312,342.78 = 124,364.08/x - Step 3: Cross multiply
226,333.36x = 312,342.78 × 124,364.08 - Step 4: Simplify right side
226,333.36x = 38,844,222,479.34 - Step 5: Solve for x
x = 38,844,222,479.34/226,333.36 - Step 6: Final answer
x = 171,623.94
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1.5x scale
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.