Finding the Fourth Proportional to 202,289.70, 303,556.05 and 83,948.70
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Solution
The fourth proportional to 202,289.70, 303,556.05 and 83,948.70 is: 125,973.47
Step by Step Solution
- Step 1: Write the proportion equation
202,289.70 : 303,556.05 = 83,948.70 : x - Step 2: Convert to fraction form
202,289.70/303,556.05 = 83,948.70/x - Step 3: Cross multiply
202,289.70x = 303,556.05 × 83,948.70 - Step 4: Simplify right side
202,289.70x = 25,483,135,774.64 - Step 5: Solve for x
x = 25,483,135,774.64/202,289.70 - Step 6: Final answer
x = 125,973.47
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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.