Home / 185,860.32-256,486.24-100,977.44

Finding the Fourth Proportional to 185,860.32, 256,486.24 and 100,977.44

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Solution

The fourth proportional to 185,860.32, 256,486.24 and 100,977.44 is: 139,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,860.32 : 256,486.24 = 100,977.44 : x
  2. Step 2: Convert to fraction form
    185,860.32/256,486.24 = 100,977.44/x
  3. Step 3: Cross multiply
    185,860.32x = 256,486.24 × 100,977.44
  4. Step 4: Simplify right side
    185,860.32x = 25,899,323,910.43
  5. Step 5: Solve for x
    x = 25,899,323,910.43/185,860.32
  6. Step 6: Final answer
    x = 139,348.32

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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.