Home / 307,022.06-423,721.46-171,078.14

Finding the Fourth Proportional to 307,022.06, 423,721.46 and 171,078.14

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Solution

The fourth proportional to 307,022.06, 423,721.46 and 171,078.14 is: 236,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,022.06 : 423,721.46 = 171,078.14 : x
  2. Step 2: Convert to fraction form
    307,022.06/423,721.46 = 171,078.14/x
  3. Step 3: Cross multiply
    307,022.06x = 423,721.46 × 171,078.14
  4. Step 4: Simplify right side
    307,022.06x = 72,489,479,254.88
  5. Step 5: Solve for x
    x = 72,489,479,254.88/307,022.06
  6. Step 6: Final answer
    x = 236,105.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.