Finding the Fourth Proportional to 242,178.93, 334,176.84 and 134,741.34
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Solution
The fourth proportional to 242,178.93, 334,176.84 and 134,741.34 is: 185,926.31
Step by Step Solution
- Step 1: Write the proportion equation
242,178.93 : 334,176.84 = 134,741.34 : x - Step 2: Convert to fraction form
242,178.93/334,176.84 = 134,741.34/x - Step 3: Cross multiply
242,178.93x = 334,176.84 × 134,741.34 - Step 4: Simplify right side
242,178.93x = 45,027,435,218.57 - Step 5: Solve for x
x = 45,027,435,218.57/242,178.93 - Step 6: Final answer
x = 185,926.31
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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.