Home / 185,204.63-255,583.62-100,321.70

Finding the Fourth Proportional to 185,204.63, 255,583.62 and 100,321.70

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Solution

The fourth proportional to 185,204.63, 255,583.62 and 100,321.70 is: 138,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,204.63 : 255,583.62 = 100,321.70 : x
  2. Step 2: Convert to fraction form
    185,204.63/255,583.62 = 100,321.70/x
  3. Step 3: Cross multiply
    185,204.63x = 255,583.62 × 100,321.70
  4. Step 4: Simplify right side
    185,204.63x = 25,640,581,972.64
  5. Step 5: Solve for x
    x = 25,640,581,972.64/185,204.63
  6. Step 6: Final answer
    x = 138,444.60

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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.