Home / 303,840.33-419,316.48-167,871.36

Finding the Fourth Proportional to 303,840.33, 419,316.48 and 167,871.36

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Solution

The fourth proportional to 303,840.33, 419,316.48 and 167,871.36 is: 231,671.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,840.33 : 419,316.48 = 167,871.36 : x
  2. Step 2: Convert to fraction form
    303,840.33/419,316.48 = 167,871.36/x
  3. Step 3: Cross multiply
    303,840.33x = 419,316.48 × 167,871.36
  4. Step 4: Simplify right side
    303,840.33x = 70,391,227,768.01
  5. Step 5: Solve for x
    x = 70,391,227,768.01/303,840.33
  6. Step 6: Final answer
    x = 231,671.77

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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.