Home / 180,754.20-271,079.46-69,920.28

Finding the Fourth Proportional to 180,754.20, 271,079.46 and 69,920.28

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Solution

The fourth proportional to 180,754.20, 271,079.46 and 69,920.28 is: 104,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,754.20 : 271,079.46 = 69,920.28 : x
  2. Step 2: Convert to fraction form
    180,754.20/271,079.46 = 69,920.28/x
  3. Step 3: Cross multiply
    180,754.20x = 271,079.46 × 69,920.28
  4. Step 4: Simplify right side
    180,754.20x = 18,953,951,745.45
  5. Step 5: Solve for x
    x = 18,953,951,745.45/180,754.20
  6. Step 6: Final answer
    x = 104,860.37

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1.5x scale

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.