Home / 148,433.70-204,839.92-84,771.04

Finding the Fourth Proportional to 148,433.70, 204,839.92 and 84,771.04

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Solution

The fourth proportional to 148,433.70, 204,839.92 and 84,771.04 is: 116,984.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,433.70 : 204,839.92 = 84,771.04 : x
  2. Step 2: Convert to fraction form
    148,433.70/204,839.92 = 84,771.04/x
  3. Step 3: Cross multiply
    148,433.70x = 204,839.92 × 84,771.04
  4. Step 4: Simplify right side
    148,433.70x = 17,364,493,051.92
  5. Step 5: Solve for x
    x = 17,364,493,051.92/148,433.70
  6. Step 6: Final answer
    x = 116,984.84

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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.