Finding the Fourth Proportional to 191,207.40, 286,811.10 and 183,949.80
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Solution
The fourth proportional to 191,207.40, 286,811.10 and 183,949.80 is: 275,924.70
Step by Step Solution
- Step 1: Write the proportion equation
191,207.40 : 286,811.10 = 183,949.80 : x - Step 2: Convert to fraction form
191,207.40/286,811.10 = 183,949.80/x - Step 3: Cross multiply
191,207.40x = 286,811.10 × 183,949.80 - Step 4: Simplify right side
191,207.40x = 52,758,844,482.78 - Step 5: Solve for x
x = 52,758,844,482.78/191,207.40 - Step 6: Final answer
x = 275,924.70
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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.