Finding the Fourth Proportional to 184,031.99, 253,933.05 and 103,448.79
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Solution
The fourth proportional to 184,031.99, 253,933.05 and 103,448.79 is: 142,741.85
Step by Step Solution
- Step 1: Write the proportion equation
184,031.99 : 253,933.05 = 103,448.79 : x - Step 2: Convert to fraction form
184,031.99/253,933.05 = 103,448.79/x - Step 3: Cross multiply
184,031.99x = 253,933.05 × 103,448.79 - Step 4: Simplify right side
184,031.99x = 26,269,066,763.51 - Step 5: Solve for x
x = 26,269,066,763.51/184,031.99 - Step 6: Final answer
x = 142,741.85
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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.