Home / 185,840.70-256,458.75-100,958.37

Finding the Fourth Proportional to 185,840.70, 256,458.75 and 100,958.37

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Solution

The fourth proportional to 185,840.70, 256,458.75 and 100,958.37 is: 139,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,840.70 : 256,458.75 = 100,958.37 : x
  2. Step 2: Convert to fraction form
    185,840.70/256,458.75 = 100,958.37/x
  3. Step 3: Cross multiply
    185,840.70x = 256,458.75 × 100,958.37
  4. Step 4: Simplify right side
    185,840.70x = 25,891,657,372.24
  5. Step 5: Solve for x
    x = 25,891,657,372.24/185,840.70
  6. Step 6: Final answer
    x = 139,321.78

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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.