Home / 440,900.24-661,461.39-125,357.15

Finding the Fourth Proportional to 440,900.24, 661,461.39 and 125,357.15

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Solution

The fourth proportional to 440,900.24, 661,461.39 and 125,357.15 is: 188,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,900.24 : 661,461.39 = 125,357.15 : x
  2. Step 2: Convert to fraction form
    440,900.24/661,461.39 = 125,357.15/x
  3. Step 3: Cross multiply
    440,900.24x = 661,461.39 × 125,357.15
  4. Step 4: Simplify right side
    440,900.24x = 82,918,916,339.09
  5. Step 5: Solve for x
    x = 82,918,916,339.09/440,900.24
  6. Step 6: Final answer
    x = 188,067.30

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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.