Finding the Fourth Proportional to 112,320,166.70, 157,701,729.70 and 112,320,166.70
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Solution
The fourth proportional to 112,320,166.70, 157,701,729.70 and 112,320,166.70 is: 157,701,729.70
Step by Step Solution
- Step 1: Write the proportion equation
112,320,166.70 : 157,701,729.70 = 112,320,166.70 : x - Step 2: Convert to fraction form
112,320,166.70/157,701,729.70 = 112,320,166.70/x - Step 3: Cross multiply
112,320,166.70x = 157,701,729.70 × 112,320,166.70 - Step 4: Simplify right side
112,320,166.70x = 17,713,084,568,782,340 - Step 5: Solve for x
x = 17,713,084,568,782,340/112,320,166.70 - Step 6: Final answer
x = 157,701,729.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.