Home / 456,736.20-685,104.30-141,192.60

Finding the Fourth Proportional to 456,736.20, 685,104.30 and 141,192.60

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Solution

The fourth proportional to 456,736.20, 685,104.30 and 141,192.60 is: 211,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,736.20 : 685,104.30 = 141,192.60 : x
  2. Step 2: Convert to fraction form
    456,736.20/685,104.30 = 141,192.60/x
  3. Step 3: Cross multiply
    456,736.20x = 685,104.30 × 141,192.60
  4. Step 4: Simplify right side
    456,736.20x = 96,731,657,388.18
  5. Step 5: Solve for x
    x = 96,731,657,388.18/456,736.20
  6. Step 6: Final answer
    x = 211,788.90

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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.