Home / 185,825.44-256,439.56-100,940.72

Finding the Fourth Proportional to 185,825.44, 256,439.56 and 100,940.72

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Solution

The fourth proportional to 185,825.44, 256,439.56 and 100,940.72 is: 139,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,825.44 : 256,439.56 = 100,940.72 : x
  2. Step 2: Convert to fraction form
    185,825.44/256,439.56 = 100,940.72/x
  3. Step 3: Cross multiply
    185,825.44x = 256,439.56 × 100,940.72
  4. Step 4: Simplify right side
    185,825.44x = 25,885,193,822.88
  5. Step 5: Solve for x
    x = 25,885,193,822.88/185,825.44
  6. Step 6: Final answer
    x = 139,298.44

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1.5x scale

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.