Home / 275,206.25-412,272.16-189,615.17

Finding the Fourth Proportional to 275,206.25, 412,272.16 and 189,615.17

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Solution

The fourth proportional to 275,206.25, 412,272.16 and 189,615.17 is: 284,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,206.25 : 412,272.16 = 189,615.17 : x
  2. Step 2: Convert to fraction form
    275,206.25/412,272.16 = 189,615.17/x
  3. Step 3: Cross multiply
    275,206.25x = 412,272.16 × 189,615.17
  4. Step 4: Simplify right side
    275,206.25x = 78,173,052,695.23
  5. Step 5: Solve for x
    x = 78,173,052,695.23/275,206.25
  6. Step 6: Final answer
    x = 284,052.61

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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.