Finding the Fourth Proportional to 197,934.84, 273,138.48 and 117,370.08
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Solution
The fourth proportional to 197,934.84, 273,138.48 and 117,370.08 is: 161,963.83
Step by Step Solution
- Step 1: Write the proportion equation
197,934.84 : 273,138.48 = 117,370.08 : x - Step 2: Convert to fraction form
197,934.84/273,138.48 = 117,370.08/x - Step 3: Cross multiply
197,934.84x = 273,138.48 × 117,370.08 - Step 4: Simplify right side
197,934.84x = 32,058,285,248.68 - Step 5: Solve for x
x = 32,058,285,248.68/197,934.84 - Step 6: Final answer
x = 161,963.83
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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.