Home / 176,195.25-243,149.72-100,745.37

Finding the Fourth Proportional to 176,195.25, 243,149.72 and 100,745.37

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Solution

The fourth proportional to 176,195.25, 243,149.72 and 100,745.37 is: 139,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,195.25 : 243,149.72 = 100,745.37 : x
  2. Step 2: Convert to fraction form
    176,195.25/243,149.72 = 100,745.37/x
  3. Step 3: Cross multiply
    176,195.25x = 243,149.72 × 100,745.37
  4. Step 4: Simplify right side
    176,195.25x = 24,496,208,003.07
  5. Step 5: Solve for x
    x = 24,496,208,003.07/176,195.25
  6. Step 6: Final answer
    x = 139,028.76

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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.