Home / 274,667.56-379,100.10-167,272.36

Finding the Fourth Proportional to 274,667.56, 379,100.10 and 167,272.36

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Solution

The fourth proportional to 274,667.56, 379,100.10 and 167,272.36 is: 230,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,667.56 : 379,100.10 = 167,272.36 : x
  2. Step 2: Convert to fraction form
    274,667.56/379,100.10 = 167,272.36/x
  3. Step 3: Cross multiply
    274,667.56x = 379,100.10 × 167,272.36
  4. Step 4: Simplify right side
    274,667.56x = 63,412,968,403.24
  5. Step 5: Solve for x
    x = 63,412,968,403.24/274,667.56
  6. Step 6: Final answer
    x = 230,871.71

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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.