Home / 185,399.76-255,853.44-100,517.04

Finding the Fourth Proportional to 185,399.76, 255,853.44 and 100,517.04

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Solution

The fourth proportional to 185,399.76, 255,853.44 and 100,517.04 is: 138,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,399.76 : 255,853.44 = 100,517.04 : x
  2. Step 2: Convert to fraction form
    185,399.76/255,853.44 = 100,517.04/x
  3. Step 3: Cross multiply
    185,399.76x = 255,853.44 × 100,517.04
  4. Step 4: Simplify right side
    185,399.76x = 25,717,630,462.62
  5. Step 5: Solve for x
    x = 25,717,630,462.62/185,399.76
  6. Step 6: Final answer
    x = 138,714.48

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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.