Home / 456,731.06-685,162.23-141,212.57

Finding the Fourth Proportional to 456,731.06, 685,162.23 and 141,212.57

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Solution

The fourth proportional to 456,731.06, 685,162.23 and 141,212.57 is: 211,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,731.06 : 685,162.23 = 141,212.57 : x
  2. Step 2: Convert to fraction form
    456,731.06/685,162.23 = 141,212.57/x
  3. Step 3: Cross multiply
    456,731.06x = 685,162.23 × 141,212.57
  4. Step 4: Simplify right side
    456,731.06x = 96,753,515,233.36
  5. Step 5: Solve for x
    x = 96,753,515,233.36/456,731.06
  6. Step 6: Final answer
    x = 211,839.14

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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.