Home / 232,245.80-320,431.62-136,706.60

Finding the Fourth Proportional to 232,245.80, 320,431.62 and 136,706.60

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Solution

The fourth proportional to 232,245.80, 320,431.62 and 136,706.60 is: 188,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,245.80 : 320,431.62 = 136,706.60 : x
  2. Step 2: Convert to fraction form
    232,245.80/320,431.62 = 136,706.60/x
  3. Step 3: Cross multiply
    232,245.80x = 320,431.62 × 136,706.60
  4. Step 4: Simplify right side
    232,245.80x = 43,805,117,302.69
  5. Step 5: Solve for x
    x = 43,805,117,302.69/232,245.80
  6. Step 6: Final answer
    x = 188,615.33

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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.