Home / 185,749.26-278,623.89-74,863.50

Finding the Fourth Proportional to 185,749.26, 278,623.89 and 74,863.50

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Solution

The fourth proportional to 185,749.26, 278,623.89 and 74,863.50 is: 112,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,749.26 : 278,623.89 = 74,863.50 : x
  2. Step 2: Convert to fraction form
    185,749.26/278,623.89 = 74,863.50/x
  3. Step 3: Cross multiply
    185,749.26x = 278,623.89 × 74,863.50
  4. Step 4: Simplify right side
    185,749.26x = 20,858,759,589.02
  5. Step 5: Solve for x
    x = 20,858,759,589.02/185,749.26
  6. Step 6: Final answer
    x = 112,295.25

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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.