Home / 185,778.30-256,372.61-100,895.37

Finding the Fourth Proportional to 185,778.30, 256,372.61 and 100,895.37

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Solution

The fourth proportional to 185,778.30, 256,372.61 and 100,895.37 is: 139,234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,778.30 : 256,372.61 = 100,895.37 : x
  2. Step 2: Convert to fraction form
    185,778.30/256,372.61 = 100,895.37/x
  3. Step 3: Cross multiply
    185,778.30x = 256,372.61 × 100,895.37
  4. Step 4: Simplify right side
    185,778.30x = 25,866,808,478.04
  5. Step 5: Solve for x
    x = 25,866,808,478.04/185,778.30
  6. Step 6: Final answer
    x = 139,234.82

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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.