Home / 185,194.24-255,568.07-100,311.31

Finding the Fourth Proportional to 185,194.24, 255,568.07 and 100,311.31

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Solution

The fourth proportional to 185,194.24, 255,568.07 and 100,311.31 is: 138,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,194.24 : 255,568.07 = 100,311.31 : x
  2. Step 2: Convert to fraction form
    185,194.24/255,568.07 = 100,311.31/x
  3. Step 3: Cross multiply
    185,194.24x = 255,568.07 × 100,311.31
  4. Step 4: Simplify right side
    185,194.24x = 25,636,367,895.87
  5. Step 5: Solve for x
    x = 25,636,367,895.87/185,194.24
  6. Step 6: Final answer
    x = 138,429.62

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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.