Home / 384,448.33-576,688.20-131,902.48

Finding the Fourth Proportional to 384,448.33, 576,688.20 and 131,902.48

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Solution

The fourth proportional to 384,448.33, 576,688.20 and 131,902.48 is: 197,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,448.33 : 576,688.20 = 131,902.48 : x
  2. Step 2: Convert to fraction form
    384,448.33/576,688.20 = 131,902.48/x
  3. Step 3: Cross multiply
    384,448.33x = 576,688.20 × 131,902.48
  4. Step 4: Simplify right side
    384,448.33x = 76,066,603,766.74
  5. Step 5: Solve for x
    x = 76,066,603,766.74/384,448.33
  6. Step 6: Final answer
    x = 197,859.11

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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.