Home / 456,936.73-685,615.07-172,725.98

Finding the Fourth Proportional to 456,936.73, 685,615.07 and 172,725.98

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Solution

The fourth proportional to 456,936.73, 685,615.07 and 172,725.98 is: 259,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,936.73 : 685,615.07 = 172,725.98 : x
  2. Step 2: Convert to fraction form
    456,936.73/685,615.07 = 172,725.98/x
  3. Step 3: Cross multiply
    456,936.73x = 685,615.07 × 172,725.98
  4. Step 4: Simplify right side
    456,936.73x = 118,423,531,872.26
  5. Step 5: Solve for x
    x = 118,423,531,872.26/456,936.73
  6. Step 6: Final answer
    x = 259,168.34

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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.