Home / 215,010.20-322,418.10-96,620.60

Finding the Fourth Proportional to 215,010.20, 322,418.10 and 96,620.60

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Solution

The fourth proportional to 215,010.20, 322,418.10 and 96,620.60 is: 144,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,010.20 : 322,418.10 = 96,620.60 : x
  2. Step 2: Convert to fraction form
    215,010.20/322,418.10 = 96,620.60/x
  3. Step 3: Cross multiply
    215,010.20x = 322,418.10 × 96,620.60
  4. Step 4: Simplify right side
    215,010.20x = 31,152,230,272.86
  5. Step 5: Solve for x
    x = 31,152,230,272.86/215,010.20
  6. Step 6: Final answer
    x = 144,887.22

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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.