Home / 274,640.12-412,002.30-116,826.20

Finding the Fourth Proportional to 274,640.12, 412,002.30 and 116,826.20

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Solution

The fourth proportional to 274,640.12, 412,002.30 and 116,826.20 is: 175,257.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,640.12 : 412,002.30 = 116,826.20 : x
  2. Step 2: Convert to fraction form
    274,640.12/412,002.30 = 116,826.20/x
  3. Step 3: Cross multiply
    274,640.12x = 412,002.30 × 116,826.20
  4. Step 4: Simplify right side
    274,640.12x = 48,132,663,100.26
  5. Step 5: Solve for x
    x = 48,132,663,100.26/274,640.12
  6. Step 6: Final answer
    x = 175,257.22

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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.