Home / 147,619.26-203,714.46-80,551.26

Finding the Fourth Proportional to 147,619.26, 203,714.46 and 80,551.26

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Solution

The fourth proportional to 147,619.26, 203,714.46 and 80,551.26 is: 111,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,619.26 : 203,714.46 = 80,551.26 : x
  2. Step 2: Convert to fraction form
    147,619.26/203,714.46 = 80,551.26/x
  3. Step 3: Cross multiply
    147,619.26x = 203,714.46 × 80,551.26
  4. Step 4: Simplify right side
    147,619.26x = 16,409,456,433.22
  5. Step 5: Solve for x
    x = 16,409,456,433.22/147,619.26
  6. Step 6: Final answer
    x = 111,160.67

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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.