Finding the Fourth Proportional to 170,853.93, 235,780.97 and 99,234
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Solution
The fourth proportional to 170,853.93, 235,780.97 and 99,234 is: 136,944.40
Step by Step Solution
- Step 1: Write the proportion equation
170,853.93 : 235,780.97 = 99,234 : x - Step 2: Convert to fraction form
170,853.93/235,780.97 = 99,234/x - Step 3: Cross multiply
170,853.93x = 235,780.97 × 99,234 - Step 4: Simplify right side
170,853.93x = 23,397,488,280.81 - Step 5: Solve for x
x = 23,397,488,280.81/170,853.93 - Step 6: Final answer
x = 136,944.40
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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.