Finding the Fourth Proportional to 184,863.99, 255,112.30 and 99,981.05
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Solution
The fourth proportional to 184,863.99, 255,112.30 and 99,981.05 is: 137,973.85
Step by Step Solution
- Step 1: Write the proportion equation
184,863.99 : 255,112.30 = 99,981.05 : x - Step 2: Convert to fraction form
184,863.99/255,112.30 = 99,981.05/x - Step 3: Cross multiply
184,863.99x = 255,112.30 × 99,981.05 - Step 4: Simplify right side
184,863.99x = 25,506,395,621.92 - Step 5: Solve for x
x = 25,506,395,621.92/184,863.99 - Step 6: Final answer
x = 137,973.85
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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.