Home / 298,051.36-411,313.61-162,086.58

Finding the Fourth Proportional to 298,051.36, 411,313.61 and 162,086.58

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Solution

The fourth proportional to 298,051.36, 411,313.61 and 162,086.58 is: 223,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,051.36 : 411,313.61 = 162,086.58 : x
  2. Step 2: Convert to fraction form
    298,051.36/411,313.61 = 162,086.58/x
  3. Step 3: Cross multiply
    298,051.36x = 411,313.61 × 162,086.58
  4. Step 4: Simplify right side
    298,051.36x = 66,668,416,757.57
  5. Step 5: Solve for x
    x = 66,668,416,757.57/298,051.36
  6. Step 6: Final answer
    x = 223,680.97

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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.