Home / 250,716.56-345,960.72-148,705.28

Finding the Fourth Proportional to 250,716.56, 345,960.72 and 148,705.28

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Solution

The fourth proportional to 250,716.56, 345,960.72 and 148,705.28 is: 205,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,716.56 : 345,960.72 = 148,705.28 : x
  2. Step 2: Convert to fraction form
    250,716.56/345,960.72 = 148,705.28/x
  3. Step 3: Cross multiply
    250,716.56x = 345,960.72 × 148,705.28
  4. Step 4: Simplify right side
    250,716.56x = 51,446,185,736.60
  5. Step 5: Solve for x
    x = 51,446,185,736.60/250,716.56
  6. Step 6: Final answer
    x = 205,196.60

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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.