Home / 441,091.16-661,644.30-125,556.20

Finding the Fourth Proportional to 441,091.16, 661,644.30 and 125,556.20

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Solution

The fourth proportional to 441,091.16, 661,644.30 and 125,556.20 is: 188,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,091.16 : 661,644.30 = 125,556.20 : x
  2. Step 2: Convert to fraction form
    441,091.16/661,644.30 = 125,556.20/x
  3. Step 3: Cross multiply
    441,091.16x = 661,644.30 × 125,556.20
  4. Step 4: Simplify right side
    441,091.16x = 83,073,544,059.66
  5. Step 5: Solve for x
    x = 83,073,544,059.66/441,091.16
  6. Step 6: Final answer
    x = 188,336.45

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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.