Home / 185,837.13-256,453.83-100,954.80

Finding the Fourth Proportional to 185,837.13, 256,453.83 and 100,954.80

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Solution

The fourth proportional to 185,837.13, 256,453.83 and 100,954.80 is: 139,316.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,837.13 : 256,453.83 = 100,954.80 : x
  2. Step 2: Convert to fraction form
    185,837.13/256,453.83 = 100,954.80/x
  3. Step 3: Cross multiply
    185,837.13x = 256,453.83 × 100,954.80
  4. Step 4: Simplify right side
    185,837.13x = 25,890,245,116.88
  5. Step 5: Solve for x
    x = 25,890,245,116.88/185,837.13
  6. Step 6: Final answer
    x = 139,316.86

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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.