Home / 185,845.77-278,811.65-65,896.37

Finding the Fourth Proportional to 185,845.77, 278,811.65 and 65,896.37

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Solution

The fourth proportional to 185,845.77, 278,811.65 and 65,896.37 is: 98,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,845.77 : 278,811.65 = 65,896.37 : x
  2. Step 2: Convert to fraction form
    185,845.77/278,811.65 = 65,896.37/x
  3. Step 3: Cross multiply
    185,845.77x = 278,811.65 × 65,896.37
  4. Step 4: Simplify right side
    185,845.77x = 18,372,673,925.17
  5. Step 5: Solve for x
    x = 18,372,673,925.17/185,845.77
  6. Step 6: Final answer
    x = 98,859.79

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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.