Home / 185,126.44-255,476.31-100,245.32

Finding the Fourth Proportional to 185,126.44, 255,476.31 and 100,245.32

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Solution

The fourth proportional to 185,126.44, 255,476.31 and 100,245.32 is: 138,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,126.44 : 255,476.31 = 100,245.32 : x
  2. Step 2: Convert to fraction form
    185,126.44/255,476.31 = 100,245.32/x
  3. Step 3: Cross multiply
    185,126.44x = 255,476.31 × 100,245.32
  4. Step 4: Simplify right side
    185,126.44x = 25,610,304,448.37
  5. Step 5: Solve for x
    x = 25,610,304,448.37/185,126.44
  6. Step 6: Final answer
    x = 138,339.53

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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.