Home / 185,761.35-256,353.46-100,879.02

Finding the Fourth Proportional to 185,761.35, 256,353.46 and 100,879.02

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Solution

The fourth proportional to 185,761.35, 256,353.46 and 100,879.02 is: 139,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,761.35 : 256,353.46 = 100,879.02 : x
  2. Step 2: Convert to fraction form
    185,761.35/256,353.46 = 100,879.02/x
  3. Step 3: Cross multiply
    185,761.35x = 256,353.46 × 100,879.02
  4. Step 4: Simplify right side
    185,761.35x = 25,860,685,566.21
  5. Step 5: Solve for x
    x = 25,860,685,566.21/185,761.35
  6. Step 6: Final answer
    x = 139,214.57

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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.