Home / 95,647.20-143,130.60-83,302.80

Finding the Fourth Proportional to 95,647.20, 143,130.60 and 83,302.80

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Solution

The fourth proportional to 95,647.20, 143,130.60 and 83,302.80 is: 124,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,647.20 : 143,130.60 = 83,302.80 : x
  2. Step 2: Convert to fraction form
    95,647.20/143,130.60 = 83,302.80/x
  3. Step 3: Cross multiply
    95,647.20x = 143,130.60 × 83,302.80
  4. Step 4: Simplify right side
    95,647.20x = 11,923,179,745.68
  5. Step 5: Solve for x
    x = 11,923,179,745.68/95,647.20
  6. Step 6: Final answer
    x = 124,657.91

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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.