Home / 134,911.64-186,202.44-80,467.30

Finding the Fourth Proportional to 134,911.64, 186,202.44 and 80,467.30

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Solution

The fourth proportional to 134,911.64, 186,202.44 and 80,467.30 is: 111,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,911.64 : 186,202.44 = 80,467.30 : x
  2. Step 2: Convert to fraction form
    134,911.64/186,202.44 = 80,467.30/x
  3. Step 3: Cross multiply
    134,911.64x = 186,202.44 × 80,467.30
  4. Step 4: Simplify right side
    134,911.64x = 14,983,207,600.21
  5. Step 5: Solve for x
    x = 14,983,207,600.21/134,911.64
  6. Step 6: Final answer
    x = 111,059.41

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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.