Home / 185,536.22-256,040.72-100,653.88

Finding the Fourth Proportional to 185,536.22, 256,040.72 and 100,653.88

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Solution

The fourth proportional to 185,536.22, 256,040.72 and 100,653.88 is: 138,902.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,536.22 : 256,040.72 = 100,653.88 : x
  2. Step 2: Convert to fraction form
    185,536.22/256,040.72 = 100,653.88/x
  3. Step 3: Cross multiply
    185,536.22x = 256,040.72 × 100,653.88
  4. Step 4: Simplify right side
    185,536.22x = 25,771,491,905.99
  5. Step 5: Solve for x
    x = 25,771,491,905.99/185,536.22
  6. Step 6: Final answer
    x = 138,902.75

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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.