Finding the Fourth Proportional to 168,637.04, 232,716.84 and 93,186.80
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Solution
The fourth proportional to 168,637.04, 232,716.84 and 93,186.80 is: 128,596.53
Step by Step Solution
- Step 1: Write the proportion equation
168,637.04 : 232,716.84 = 93,186.80 : x - Step 2: Convert to fraction form
168,637.04/232,716.84 = 93,186.80/x - Step 3: Cross multiply
168,637.04x = 232,716.84 × 93,186.80 - Step 4: Simplify right side
168,637.04x = 21,686,137,625.71 - Step 5: Solve for x
x = 21,686,137,625.71/168,637.04 - Step 6: Final answer
x = 128,596.53
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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.