Home / 417,018.24-625,644-164,142.72

Finding the Fourth Proportional to 417,018.24, 625,644 and 164,142.72

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Solution

The fourth proportional to 417,018.24, 625,644 and 164,142.72 is: 246,259.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,018.24 : 625,644 = 164,142.72 : x
  2. Step 2: Convert to fraction form
    417,018.24/625,644 = 164,142.72/x
  3. Step 3: Cross multiply
    417,018.24x = 625,644 × 164,142.72
  4. Step 4: Simplify right side
    417,018.24x = 102,694,907,911.68
  5. Step 5: Solve for x
    x = 102,694,907,911.68/417,018.24
  6. Step 6: Final answer
    x = 246,259.99

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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.