Home / 148,464.60-204,881.34-80,481.96

Finding the Fourth Proportional to 148,464.60, 204,881.34 and 80,481.96

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Solution

The fourth proportional to 148,464.60, 204,881.34 and 80,481.96 is: 111,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,464.60 : 204,881.34 = 80,481.96 : x
  2. Step 2: Convert to fraction form
    148,464.60/204,881.34 = 80,481.96/x
  3. Step 3: Cross multiply
    148,464.60x = 204,881.34 × 80,481.96
  4. Step 4: Simplify right side
    148,464.60x = 16,489,251,810.63
  5. Step 5: Solve for x
    x = 16,489,251,810.63/148,464.60
  6. Step 6: Final answer
    x = 111,065.21

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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.