Home / 411,490.96-617,174.06-111,994.88

Finding the Fourth Proportional to 411,490.96, 617,174.06 and 111,994.88

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Solution

The fourth proportional to 411,490.96, 617,174.06 and 111,994.88 is: 167,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,490.96 : 617,174.06 = 111,994.88 : x
  2. Step 2: Convert to fraction form
    411,490.96/617,174.06 = 111,994.88/x
  3. Step 3: Cross multiply
    411,490.96x = 617,174.06 × 111,994.88
  4. Step 4: Simplify right side
    411,490.96x = 69,120,331,142.97
  5. Step 5: Solve for x
    x = 69,120,331,142.97/411,490.96
  6. Step 6: Final answer
    x = 167,975.33

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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.