Finding the Fourth Proportional to 192,364.74, 265,462.79 and 107,481.87
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Solution
The fourth proportional to 192,364.74, 265,462.79 and 107,481.87 is: 148,324.67
Step by Step Solution
- Step 1: Write the proportion equation
192,364.74 : 265,462.79 = 107,481.87 : x - Step 2: Convert to fraction form
192,364.74/265,462.79 = 107,481.87/x - Step 3: Cross multiply
192,364.74x = 265,462.79 × 107,481.87 - Step 4: Simplify right side
192,364.74x = 28,532,436,547.21 - Step 5: Solve for x
x = 28,532,436,547.21/192,364.74 - Step 6: Final answer
x = 148,324.67
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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.