Finding the Fourth Proportional to 257,041.01, 355,204.58 and 193,268.09
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Solution
The fourth proportional to 257,041.01, 355,204.58 and 193,268.09 is: 267,076.88
Step by Step Solution
- Step 1: Write the proportion equation
257,041.01 : 355,204.58 = 193,268.09 : x - Step 2: Convert to fraction form
257,041.01/355,204.58 = 193,268.09/x - Step 3: Cross multiply
257,041.01x = 355,204.58 × 193,268.09 - Step 4: Simplify right side
257,041.01x = 68,649,710,657.52 - Step 5: Solve for x
x = 68,649,710,657.52/257,041.01 - Step 6: Final answer
x = 267,076.88
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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.