Home / 142,879.05-214,354.22-100,841.25

Finding the Fourth Proportional to 142,879.05, 214,354.22 and 100,841.25

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Solution

The fourth proportional to 142,879.05, 214,354.22 and 100,841.25 is: 151,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,879.05 : 214,354.22 = 100,841.25 : x
  2. Step 2: Convert to fraction form
    142,879.05/214,354.22 = 100,841.25/x
  3. Step 3: Cross multiply
    142,879.05x = 214,354.22 × 100,841.25
  4. Step 4: Simplify right side
    142,879.05x = 21,615,747,487.58
  5. Step 5: Solve for x
    x = 21,615,747,487.58/142,879.05
  6. Step 6: Final answer
    x = 151,287.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.