Home / 179,111.75-247,174.21-98,537.54

Finding the Fourth Proportional to 179,111.75, 247,174.21 and 98,537.54

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Solution

The fourth proportional to 179,111.75, 247,174.21 and 98,537.54 is: 135,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,111.75 : 247,174.21 = 98,537.54 : x
  2. Step 2: Convert to fraction form
    179,111.75/247,174.21 = 98,537.54/x
  3. Step 3: Cross multiply
    179,111.75x = 247,174.21 × 98,537.54
  4. Step 4: Simplify right side
    179,111.75x = 24,355,938,604.84
  5. Step 5: Solve for x
    x = 24,355,938,604.84/179,111.75
  6. Step 6: Final answer
    x = 135,981.80

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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.