Finding the Fourth Proportional to 266,202.12, 367,349.28 and 145,341.18
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Solution
The fourth proportional to 266,202.12, 367,349.28 and 145,341.18 is: 200,565.56
Step by Step Solution
- Step 1: Write the proportion equation
266,202.12 : 367,349.28 = 145,341.18 : x - Step 2: Convert to fraction form
266,202.12/367,349.28 = 145,341.18/x - Step 3: Cross multiply
266,202.12x = 367,349.28 × 145,341.18 - Step 4: Simplify right side
266,202.12x = 53,390,977,827.35 - Step 5: Solve for x
x = 53,390,977,827.35/266,202.12 - Step 6: Final answer
x = 200,565.56
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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.