Home / 185,590.19-256,100.37-109,112.42

Finding the Fourth Proportional to 185,590.19, 256,100.37 and 109,112.42

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Solution

The fourth proportional to 185,590.19, 256,100.37 and 109,112.42 is: 150,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,590.19 : 256,100.37 = 109,112.42 : x
  2. Step 2: Convert to fraction form
    185,590.19/256,100.37 = 109,112.42/x
  3. Step 3: Cross multiply
    185,590.19x = 256,100.37 × 109,112.42
  4. Step 4: Simplify right side
    185,590.19x = 27,943,729,853.09
  5. Step 5: Solve for x
    x = 27,943,729,853.09/185,590.19
  6. Step 6: Final answer
    x = 150,566.85

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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.