Finding the Fourth Proportional to 202,927.44, 280,048.12 and 112,281.92
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Solution
The fourth proportional to 202,927.44, 280,048.12 and 112,281.92 is: 154,953.62
Step by Step Solution
- Step 1: Write the proportion equation
202,927.44 : 280,048.12 = 112,281.92 : x - Step 2: Convert to fraction form
202,927.44/280,048.12 = 112,281.92/x - Step 3: Cross multiply
202,927.44x = 280,048.12 × 112,281.92 - Step 4: Simplify right side
202,927.44x = 31,444,340,605.99 - Step 5: Solve for x
x = 31,444,340,605.99/202,927.44 - Step 6: Final answer
x = 154,953.62
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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.