Finding the Fourth Proportional to 175,024.30, 262,075.65 and 128,022.70
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Solution
The fourth proportional to 175,024.30, 262,075.65 and 128,022.70 is: 191,696.99
Step by Step Solution
- Step 1: Write the proportion equation
175,024.30 : 262,075.65 = 128,022.70 : x - Step 2: Convert to fraction form
175,024.30/262,075.65 = 128,022.70/x - Step 3: Cross multiply
175,024.30x = 262,075.65 × 128,022.70 - Step 4: Simplify right side
175,024.30x = 33,551,632,317.26 - Step 5: Solve for x
x = 33,551,632,317.26/175,024.30 - Step 6: Final answer
x = 191,696.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.