Finding the Fourth Proportional to 253,323.36, 349,567.80 and 140,148
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Solution
The fourth proportional to 253,323.36, 349,567.80 and 140,148 is: 193,394.04
Step by Step Solution
- Step 1: Write the proportion equation
253,323.36 : 349,567.80 = 140,148 : x - Step 2: Convert to fraction form
253,323.36/349,567.80 = 140,148/x - Step 3: Cross multiply
253,323.36x = 349,567.80 × 140,148 - Step 4: Simplify right side
253,323.36x = 48,991,228,034.40 - Step 5: Solve for x
x = 48,991,228,034.40/253,323.36 - Step 6: Final answer
x = 193,394.04
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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.