Finding the Fourth Proportional to 174,827.76, 262,021.68 and 74,869.80
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Solution
The fourth proportional to 174,827.76, 262,021.68 and 74,869.80 is: 112,210.50
Step by Step Solution
- Step 1: Write the proportion equation
174,827.76 : 262,021.68 = 74,869.80 : x - Step 2: Convert to fraction form
174,827.76/262,021.68 = 74,869.80/x - Step 3: Cross multiply
174,827.76x = 262,021.68 × 74,869.80 - Step 4: Simplify right side
174,827.76x = 19,617,510,777.26 - Step 5: Solve for x
x = 19,617,510,777.26/174,827.76 - Step 6: Final answer
x = 112,210.50
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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.