Home / 318,109.43-476,984.00-104,819.51

Finding the Fourth Proportional to 318,109.43, 476,984.00 and 104,819.51

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Solution

The fourth proportional to 318,109.43, 476,984.00 and 104,819.51 is: 157,169.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,109.43 : 476,984.00 = 104,819.51 : x
  2. Step 2: Convert to fraction form
    318,109.43/476,984.00 = 104,819.51/x
  3. Step 3: Cross multiply
    318,109.43x = 476,984.00 × 104,819.51
  4. Step 4: Simplify right side
    318,109.43x = 49,997,230,612.35
  5. Step 5: Solve for x
    x = 49,997,230,612.35/318,109.43
  6. Step 6: Final answer
    x = 157,169.91

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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.