Home / 185,944.80-278,887.84-80,735.52

Finding the Fourth Proportional to 185,944.80, 278,887.84 and 80,735.52

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Solution

The fourth proportional to 185,944.80, 278,887.84 and 80,735.52 is: 121,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,944.80 : 278,887.84 = 80,735.52 : x
  2. Step 2: Convert to fraction form
    185,944.80/278,887.84 = 80,735.52/x
  3. Step 3: Cross multiply
    185,944.80x = 278,887.84 × 80,735.52
  4. Step 4: Simplify right side
    185,944.80x = 22,516,154,784.08
  5. Step 5: Solve for x
    x = 22,516,154,784.08/185,944.80
  6. Step 6: Final answer
    x = 121,090.53

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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.