Home / 351,110.86-484,532.81-198,181.15

Finding the Fourth Proportional to 351,110.86, 484,532.81 and 198,181.15

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Solution

The fourth proportional to 351,110.86, 484,532.81 and 198,181.15 is: 273,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,110.86 : 484,532.81 = 198,181.15 : x
  2. Step 2: Convert to fraction form
    351,110.86/484,532.81 = 198,181.15/x
  3. Step 3: Cross multiply
    351,110.86x = 484,532.81 × 198,181.15
  4. Step 4: Simplify right side
    351,110.86x = 96,025,269,498.53
  5. Step 5: Solve for x
    x = 96,025,269,498.53/351,110.86
  6. Step 6: Final answer
    x = 273,489.89

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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.