Finding the Fourth Proportional to 134,450,193.80, 201,675,290.70 and 131,464,209.80
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Solution
The fourth proportional to 134,450,193.80, 201,675,290.70 and 131,464,209.80 is: 197,196,314.70
Step by Step Solution
- Step 1: Write the proportion equation
134,450,193.80 : 201,675,290.70 = 131,464,209.80 : x - Step 2: Convert to fraction form
134,450,193.80/201,675,290.70 = 131,464,209.80/x - Step 3: Cross multiply
134,450,193.80x = 201,675,290.70 × 131,464,209.80 - Step 4: Simplify right side
134,450,193.80x = 26,513,082,728,060,788 - Step 5: Solve for x
x = 26,513,082,728,060,788/134,450,193.80 - Step 6: Final answer
x = 197,196,314.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.