Home / 185,879.14-278,824.17-45,637.75

Finding the Fourth Proportional to 185,879.14, 278,824.17 and 45,637.75

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Solution

The fourth proportional to 185,879.14, 278,824.17 and 45,637.75 is: 68,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,879.14 : 278,824.17 = 45,637.75 : x
  2. Step 2: Convert to fraction form
    185,879.14/278,824.17 = 45,637.75/x
  3. Step 3: Cross multiply
    185,879.14x = 278,824.17 × 45,637.75
  4. Step 4: Simplify right side
    185,879.14x = 12,724,907,764.42
  5. Step 5: Solve for x
    x = 12,724,907,764.42/185,879.14
  6. Step 6: Final answer
    x = 68,457.97

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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.