Home / 347,828.80-521,694.60-111,195.40

Finding the Fourth Proportional to 347,828.80, 521,694.60 and 111,195.40

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Solution

The fourth proportional to 347,828.80, 521,694.60 and 111,195.40 is: 166,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,828.80 : 521,694.60 = 111,195.40 : x
  2. Step 2: Convert to fraction form
    347,828.80/521,694.60 = 111,195.40/x
  3. Step 3: Cross multiply
    347,828.80x = 521,694.60 × 111,195.40
  4. Step 4: Simplify right side
    347,828.80x = 58,010,039,724.84
  5. Step 5: Solve for x
    x = 58,010,039,724.84/347,828.80
  6. Step 6: Final answer
    x = 166,777.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.