Finding the Fourth Proportional to 133,700.36, 184,501.08 and 79,953.68
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Solution
The fourth proportional to 133,700.36, 184,501.08 and 79,953.68 is: 110,332.84
Step by Step Solution
- Step 1: Write the proportion equation
133,700.36 : 184,501.08 = 79,953.68 : x - Step 2: Convert to fraction form
133,700.36/184,501.08 = 79,953.68/x - Step 3: Cross multiply
133,700.36x = 184,501.08 × 79,953.68 - Step 4: Simplify right side
133,700.36x = 14,751,540,309.97 - Step 5: Solve for x
x = 14,751,540,309.97/133,700.36 - Step 6: Final answer
x = 110,332.84
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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.