Finding the Fourth Proportional to 147,582.14, 203,663.39 and 83,923.84
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Solution
The fourth proportional to 147,582.14, 203,663.39 and 83,923.84 is: 115,814.92
Step by Step Solution
- Step 1: Write the proportion equation
147,582.14 : 203,663.39 = 83,923.84 : x - Step 2: Convert to fraction form
147,582.14/203,663.39 = 83,923.84/x - Step 3: Cross multiply
147,582.14x = 203,663.39 × 83,923.84 - Step 4: Simplify right side
147,582.14x = 17,092,213,756.22 - Step 5: Solve for x
x = 17,092,213,756.22/147,582.14 - Step 6: Final answer
x = 115,814.92
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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.