Home / 185,204.83-255,582.69-100,321.89

Finding the Fourth Proportional to 185,204.83, 255,582.69 and 100,321.89

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Solution

The fourth proportional to 185,204.83, 255,582.69 and 100,321.89 is: 138,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,204.83 : 255,582.69 = 100,321.89 : x
  2. Step 2: Convert to fraction form
    185,204.83/255,582.69 = 100,321.89/x
  3. Step 3: Cross multiply
    185,204.83x = 255,582.69 × 100,321.89
  4. Step 4: Simplify right side
    185,204.83x = 25,640,539,179.41
  5. Step 5: Solve for x
    x = 25,640,539,179.41/185,204.83
  6. Step 6: Final answer
    x = 138,444.23

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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.