Home / 397,025.49-595,203.32-172,216.72

Finding the Fourth Proportional to 397,025.49, 595,203.32 and 172,216.72

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Solution

The fourth proportional to 397,025.49, 595,203.32 and 172,216.72 is: 258,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,025.49 : 595,203.32 = 172,216.72 : x
  2. Step 2: Convert to fraction form
    397,025.49/595,203.32 = 172,216.72/x
  3. Step 3: Cross multiply
    397,025.49x = 595,203.32 × 172,216.72
  4. Step 4: Simplify right side
    397,025.49x = 102,503,963,503.51
  5. Step 5: Solve for x
    x = 102,503,963,503.51/397,025.49
  6. Step 6: Final answer
    x = 258,179.80

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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.