Home / 185,738.30-256,316.62-100,855.98

Finding the Fourth Proportional to 185,738.30, 256,316.62 and 100,855.98

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Solution

The fourth proportional to 185,738.30, 256,316.62 and 100,855.98 is: 139,180.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,738.30 : 256,316.62 = 100,855.98 : x
  2. Step 2: Convert to fraction form
    185,738.30/256,316.62 = 100,855.98/x
  3. Step 3: Cross multiply
    185,738.30x = 256,316.62 × 100,855.98
  4. Step 4: Simplify right side
    185,738.30x = 25,851,063,900.39
  5. Step 5: Solve for x
    x = 25,851,063,900.39/185,738.30
  6. Step 6: Final answer
    x = 139,180.04

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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.