Finding the Fourth Proportional to 292,024.70, 438,037.05 and 125,812.70
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Solution
The fourth proportional to 292,024.70, 438,037.05 and 125,812.70 is: 188,719.05
Step by Step Solution
- Step 1: Write the proportion equation
292,024.70 : 438,037.05 = 125,812.70 : x - Step 2: Convert to fraction form
292,024.70/438,037.05 = 125,812.70/x - Step 3: Cross multiply
292,024.70x = 438,037.05 × 125,812.70 - Step 4: Simplify right side
292,024.70x = 55,110,623,960.54 - Step 5: Solve for x
x = 55,110,623,960.54/292,024.70 - Step 6: Final answer
x = 188,719.05
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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.