Finding the Fourth Proportional to 184,865.99, 255,115.06 and 99,983.06
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Solution
The fourth proportional to 184,865.99, 255,115.06 and 99,983.06 is: 137,976.62
Step by Step Solution
- Step 1: Write the proportion equation
184,865.99 : 255,115.06 = 99,983.06 : x - Step 2: Convert to fraction form
184,865.99/255,115.06 = 99,983.06/x - Step 3: Cross multiply
184,865.99x = 255,115.06 × 99,983.06 - Step 4: Simplify right side
184,865.99x = 25,507,184,350.88 - Step 5: Solve for x
x = 25,507,184,350.88/184,865.99 - Step 6: Final answer
x = 137,976.62
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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.