Home / 250,698.32-345,961.88-135,976.60

Finding the Fourth Proportional to 250,698.32, 345,961.88 and 135,976.60

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Solution

The fourth proportional to 250,698.32, 345,961.88 and 135,976.60 is: 187,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,698.32 : 345,961.88 = 135,976.60 : x
  2. Step 2: Convert to fraction form
    250,698.32/345,961.88 = 135,976.60/x
  3. Step 3: Cross multiply
    250,698.32x = 345,961.88 × 135,976.60
  4. Step 4: Simplify right side
    250,698.32x = 47,042,720,172.01
  5. Step 5: Solve for x
    x = 47,042,720,172.01/250,698.32
  6. Step 6: Final answer
    x = 187,646.73

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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.