Home / 185,979.96-278,812.29-73,739.48

Finding the Fourth Proportional to 185,979.96, 278,812.29 and 73,739.48

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Solution

The fourth proportional to 185,979.96, 278,812.29 and 73,739.48 is: 110,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,979.96 : 278,812.29 = 73,739.48 : x
  2. Step 2: Convert to fraction form
    185,979.96/278,812.29 = 73,739.48/x
  3. Step 3: Cross multiply
    185,979.96x = 278,812.29 × 73,739.48
  4. Step 4: Simplify right side
    185,979.96x = 20,559,472,164.67
  5. Step 5: Solve for x
    x = 20,559,472,164.67/185,979.96
  6. Step 6: Final answer
    x = 110,546.71

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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.