Home / 185,494.56-255,983.94-100,611.60

Finding the Fourth Proportional to 185,494.56, 255,983.94 and 100,611.60

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Solution

The fourth proportional to 185,494.56, 255,983.94 and 100,611.60 is: 138,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,494.56 : 255,983.94 = 100,611.60 : x
  2. Step 2: Convert to fraction form
    185,494.56/255,983.94 = 100,611.60/x
  3. Step 3: Cross multiply
    185,494.56x = 255,983.94 × 100,611.60
  4. Step 4: Simplify right side
    185,494.56x = 25,754,953,777.70
  5. Step 5: Solve for x
    x = 25,754,953,777.70/185,494.56
  6. Step 6: Final answer
    x = 138,844.79

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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.