Finding the Fourth Proportional to 186,455.08, 257,306.68 and 101,572.12
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Solution
The fourth proportional to 186,455.08, 257,306.68 and 101,572.12 is: 140,168.80
Step by Step Solution
- Step 1: Write the proportion equation
186,455.08 : 257,306.68 = 101,572.12 : x - Step 2: Convert to fraction form
186,455.08/257,306.68 = 101,572.12/x - Step 3: Cross multiply
186,455.08x = 257,306.68 × 101,572.12 - Step 4: Simplify right side
186,455.08x = 26,135,184,977.76 - Step 5: Solve for x
x = 26,135,184,977.76/186,455.08 - Step 6: Final answer
x = 140,168.80
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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.