Finding the Fourth Proportional to 151,023.63, 208,413.35 and 83,044.98
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Solution
The fourth proportional to 151,023.63, 208,413.35 and 83,044.98 is: 114,602.49
Step by Step Solution
- Step 1: Write the proportion equation
151,023.63 : 208,413.35 = 83,044.98 : x - Step 2: Convert to fraction form
151,023.63/208,413.35 = 83,044.98/x - Step 3: Cross multiply
151,023.63x = 208,413.35 × 83,044.98 - Step 4: Simplify right side
151,023.63x = 17,307,683,725.05 - Step 5: Solve for x
x = 17,307,683,725.05/151,023.63 - Step 6: Final answer
x = 114,602.49
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1.5x scale
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.