Home / 441,187.24-661,718.38-141,628.38

Finding the Fourth Proportional to 441,187.24, 661,718.38 and 141,628.38

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Solution

The fourth proportional to 441,187.24, 661,718.38 and 141,628.38 is: 212,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,187.24 : 661,718.38 = 141,628.38 : x
  2. Step 2: Convert to fraction form
    441,187.24/661,718.38 = 141,628.38/x
  3. Step 3: Cross multiply
    441,187.24x = 661,718.38 × 141,628.38
  4. Step 4: Simplify right side
    441,187.24x = 93,718,102,175.62
  5. Step 5: Solve for x
    x = 93,718,102,175.62/441,187.24
  6. Step 6: Final answer
    x = 212,422.51

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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.