Home / 134,517.40-185,620.28-82,826.30

Finding the Fourth Proportional to 134,517.40, 185,620.28 and 82,826.30

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Solution

The fourth proportional to 134,517.40, 185,620.28 and 82,826.30 is: 114,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,517.40 : 185,620.28 = 82,826.30 : x
  2. Step 2: Convert to fraction form
    134,517.40/185,620.28 = 82,826.30/x
  3. Step 3: Cross multiply
    134,517.40x = 185,620.28 × 82,826.30
  4. Step 4: Simplify right side
    134,517.40x = 15,374,240,997.36
  5. Step 5: Solve for x
    x = 15,374,240,997.36/134,517.40
  6. Step 6: Final answer
    x = 114,291.84

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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.