Finding the Fourth Proportional to 199,759.13, 275,675.70 and 114,876.19
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Solution
The fourth proportional to 199,759.13, 275,675.70 and 114,876.19 is: 158,533.81
Step by Step Solution
- Step 1: Write the proportion equation
199,759.13 : 275,675.70 = 114,876.19 : x - Step 2: Convert to fraction form
199,759.13/275,675.70 = 114,876.19/x - Step 3: Cross multiply
199,759.13x = 275,675.70 × 114,876.19 - Step 4: Simplify right side
199,759.13x = 31,668,574,866.96 - Step 5: Solve for x
x = 31,668,574,866.96/199,759.13 - Step 6: Final answer
x = 158,533.81
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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.