Home / 126,041.85-188,884.58-69,906.69

Finding the Fourth Proportional to 126,041.85, 188,884.58 and 69,906.69

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Solution

The fourth proportional to 126,041.85, 188,884.58 and 69,906.69 is: 104,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,041.85 : 188,884.58 = 69,906.69 : x
  2. Step 2: Convert to fraction form
    126,041.85/188,884.58 = 69,906.69/x
  3. Step 3: Cross multiply
    126,041.85x = 188,884.58 × 69,906.69
  4. Step 4: Simplify right side
    126,041.85x = 13,204,295,430.31
  5. Step 5: Solve for x
    x = 13,204,295,430.31/126,041.85
  6. Step 6: Final answer
    x = 104,761.20

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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.