Home / 347,904.28-521,921.94-111,183.40

Finding the Fourth Proportional to 347,904.28, 521,921.94 and 111,183.40

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Solution

The fourth proportional to 347,904.28, 521,921.94 and 111,183.40 is: 166,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,904.28 : 521,921.94 = 111,183.40 : x
  2. Step 2: Convert to fraction form
    347,904.28/521,921.94 = 111,183.40/x
  3. Step 3: Cross multiply
    347,904.28x = 521,921.94 × 111,183.40
  4. Step 4: Simplify right side
    347,904.28x = 58,029,055,823.80
  5. Step 5: Solve for x
    x = 58,029,055,823.80/347,904.28
  6. Step 6: Final answer
    x = 166,796.04

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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.