Home / 148,021.48-204,265.46-80,952.04

Finding the Fourth Proportional to 148,021.48, 204,265.46 and 80,952.04

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Solution

The fourth proportional to 148,021.48, 204,265.46 and 80,952.04 is: 111,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,021.48 : 204,265.46 = 80,952.04 : x
  2. Step 2: Convert to fraction form
    148,021.48/204,265.46 = 80,952.04/x
  3. Step 3: Cross multiply
    148,021.48x = 204,265.46 × 80,952.04
  4. Step 4: Simplify right side
    148,021.48x = 16,535,705,688.54
  5. Step 5: Solve for x
    x = 16,535,705,688.54/148,021.48
  6. Step 6: Final answer
    x = 111,711.53

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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.