Finding the Fourth Proportional to 191,747.44, 264,612.80 and 106,869.98
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Solution
The fourth proportional to 191,747.44, 264,612.80 and 106,869.98 is: 147,481.32
Step by Step Solution
- Step 1: Write the proportion equation
191,747.44 : 264,612.80 = 106,869.98 : x - Step 2: Convert to fraction form
191,747.44/264,612.80 = 106,869.98/x - Step 3: Cross multiply
191,747.44x = 264,612.80 × 106,869.98 - Step 4: Simplify right side
191,747.44x = 28,279,164,643.74 - Step 5: Solve for x
x = 28,279,164,643.74/191,747.44 - Step 6: Final answer
x = 147,481.32
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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.