Home / 148,141.90-204,435.41-80,160.02

Finding the Fourth Proportional to 148,141.90, 204,435.41 and 80,160.02

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Solution

The fourth proportional to 148,141.90, 204,435.41 and 80,160.02 is: 110,620.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,141.90 : 204,435.41 = 80,160.02 : x
  2. Step 2: Convert to fraction form
    148,141.90/204,435.41 = 80,160.02/x
  3. Step 3: Cross multiply
    148,141.90x = 204,435.41 × 80,160.02
  4. Step 4: Simplify right side
    148,141.90x = 16,387,546,664.60
  5. Step 5: Solve for x
    x = 16,387,546,664.60/148,141.90
  6. Step 6: Final answer
    x = 110,620.61

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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.