Home / 101,982.03-152,738.26-87,588.83

Finding the Fourth Proportional to 101,982.03, 152,738.26 and 87,588.83

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Solution

The fourth proportional to 101,982.03, 152,738.26 and 87,588.83 is: 131,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,982.03 : 152,738.26 = 87,588.83 : x
  2. Step 2: Convert to fraction form
    101,982.03/152,738.26 = 87,588.83/x
  3. Step 3: Cross multiply
    101,982.03x = 152,738.26 × 87,588.83
  4. Step 4: Simplify right side
    101,982.03x = 13,378,165,652.51
  5. Step 5: Solve for x
    x = 13,378,165,652.51/101,982.03
  6. Step 6: Final answer
    x = 131,181.60

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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.