Home / 250,202.64-345,279-135,481.38

Finding the Fourth Proportional to 250,202.64, 345,279 and 135,481.38

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Solution

The fourth proportional to 250,202.64, 345,279 and 135,481.38 is: 186,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,202.64 : 345,279 = 135,481.38 : x
  2. Step 2: Convert to fraction form
    250,202.64/345,279 = 135,481.38/x
  3. Step 3: Cross multiply
    250,202.64x = 345,279 × 135,481.38
  4. Step 4: Simplify right side
    250,202.64x = 46,778,875,405.02
  5. Step 5: Solve for x
    x = 46,778,875,405.02/250,202.64
  6. Step 6: Final answer
    x = 186,963.96

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1.5x scale

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.