Home / 148,481.45-204,901.88-83,949.61

Finding the Fourth Proportional to 148,481.45, 204,901.88 and 83,949.61

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Solution

The fourth proportional to 148,481.45, 204,901.88 and 83,949.61 is: 115,849.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,481.45 : 204,901.88 = 83,949.61 : x
  2. Step 2: Convert to fraction form
    148,481.45/204,901.88 = 83,949.61/x
  3. Step 3: Cross multiply
    148,481.45x = 204,901.88 × 83,949.61
  4. Step 4: Simplify right side
    148,481.45x = 17,201,432,914.27
  5. Step 5: Solve for x
    x = 17,201,432,914.27/148,481.45
  6. Step 6: Final answer
    x = 115,849.04

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1.5x scale

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.