Home / 185,550.05-278,103.60-101,331.38

Finding the Fourth Proportional to 185,550.05, 278,103.60 and 101,331.38

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Solution

The fourth proportional to 185,550.05, 278,103.60 and 101,331.38 is: 151,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,550.05 : 278,103.60 = 101,331.38 : x
  2. Step 2: Convert to fraction form
    185,550.05/278,103.60 = 101,331.38/x
  3. Step 3: Cross multiply
    185,550.05x = 278,103.60 × 101,331.38
  4. Step 4: Simplify right side
    185,550.05x = 28,180,620,180.45
  5. Step 5: Solve for x
    x = 28,180,620,180.45/185,550.05
  6. Step 6: Final answer
    x = 151,876.12

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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.