Finding the Fourth Proportional to 185,022.05, 255,328.61 and 104,447.84
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Solution
The fourth proportional to 185,022.05, 255,328.61 and 104,447.84 is: 144,136.99
Step by Step Solution
- Step 1: Write the proportion equation
185,022.05 : 255,328.61 = 104,447.84 : x - Step 2: Convert to fraction form
185,022.05/255,328.61 = 104,447.84/x - Step 3: Cross multiply
185,022.05x = 255,328.61 × 104,447.84 - Step 4: Simplify right side
185,022.05x = 26,668,520,005.82 - Step 5: Solve for x
x = 26,668,520,005.82/185,022.05 - Step 6: Final answer
x = 144,136.99
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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.