Home / 392,270.81-588,505.03-111,787.25

Finding the Fourth Proportional to 392,270.81, 588,505.03 and 111,787.25

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Solution

The fourth proportional to 392,270.81, 588,505.03 and 111,787.25 is: 167,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,270.81 : 588,505.03 = 111,787.25 : x
  2. Step 2: Convert to fraction form
    392,270.81/588,505.03 = 111,787.25/x
  3. Step 3: Cross multiply
    392,270.81x = 588,505.03 × 111,787.25
  4. Step 4: Simplify right side
    392,270.81x = 65,787,355,692.87
  5. Step 5: Solve for x
    x = 65,787,355,692.87/392,270.81
  6. Step 6: Final answer
    x = 167,709.03

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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.