Home / 252,297.32-378,708.42-185,812.52

Finding the Fourth Proportional to 252,297.32, 378,708.42 and 185,812.52

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Solution

The fourth proportional to 252,297.32, 378,708.42 and 185,812.52 is: 278,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,297.32 : 378,708.42 = 185,812.52 : x
  2. Step 2: Convert to fraction form
    252,297.32/378,708.42 = 185,812.52/x
  3. Step 3: Cross multiply
    252,297.32x = 378,708.42 × 185,812.52
  4. Step 4: Simplify right side
    252,297.32x = 70,368,765,865.42
  5. Step 5: Solve for x
    x = 70,368,765,865.42/252,297.32
  6. Step 6: Final answer
    x = 278,912.06

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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.