Home / 236,372.80-354,766.56-131,310.40

Finding the Fourth Proportional to 236,372.80, 354,766.56 and 131,310.40

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Solution

The fourth proportional to 236,372.80, 354,766.56 and 131,310.40 is: 197,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,372.80 : 354,766.56 = 131,310.40 : x
  2. Step 2: Convert to fraction form
    236,372.80/354,766.56 = 131,310.40/x
  3. Step 3: Cross multiply
    236,372.80x = 354,766.56 × 131,310.40
  4. Step 4: Simplify right side
    236,372.80x = 46,584,538,900.22
  5. Step 5: Solve for x
    x = 46,584,538,900.22/236,372.80
  6. Step 6: Final answer
    x = 197,080.79

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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.