Finding the Fourth Proportional to 134,926.98, 186,202.14 and 74,501.44
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Solution
The fourth proportional to 134,926.98, 186,202.14 and 74,501.44 is: 102,813.59
Step by Step Solution
- Step 1: Write the proportion equation
134,926.98 : 186,202.14 = 74,501.44 : x - Step 2: Convert to fraction form
134,926.98/186,202.14 = 74,501.44/x - Step 3: Cross multiply
134,926.98x = 186,202.14 × 74,501.44 - Step 4: Simplify right side
134,926.98x = 13,872,327,654.08 - Step 5: Solve for x
x = 13,872,327,654.08/134,926.98 - Step 6: Final answer
x = 102,813.59
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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.