Home / 185,736.31-256,313.87-100,853.98

Finding the Fourth Proportional to 185,736.31, 256,313.87 and 100,853.98

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Solution

The fourth proportional to 185,736.31, 256,313.87 and 100,853.98 is: 139,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,736.31 : 256,313.87 = 100,853.98 : x
  2. Step 2: Convert to fraction form
    185,736.31/256,313.87 = 100,853.98/x
  3. Step 3: Cross multiply
    185,736.31x = 256,313.87 × 100,853.98
  4. Step 4: Simplify right side
    185,736.31x = 25,850,273,151.85
  5. Step 5: Solve for x
    x = 25,850,273,151.85/185,736.31
  6. Step 6: Final answer
    x = 139,177.28

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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.