Finding the Fourth Proportional to 153,734.04, 212,187.06 and 97,134.48
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Solution
The fourth proportional to 153,734.04, 212,187.06 and 97,134.48 is: 134,067.12
Step by Step Solution
- Step 1: Write the proportion equation
153,734.04 : 212,187.06 = 97,134.48 : x - Step 2: Convert to fraction form
153,734.04/212,187.06 = 97,134.48/x - Step 3: Cross multiply
153,734.04x = 212,187.06 × 97,134.48 - Step 4: Simplify right side
153,734.04x = 20,610,679,735.83 - Step 5: Solve for x
x = 20,610,679,735.83/153,734.04 - Step 6: Final answer
x = 134,067.12
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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.