Home / 172,943.10-259,327.17-52,964.28

Finding the Fourth Proportional to 172,943.10, 259,327.17 and 52,964.28

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Solution

The fourth proportional to 172,943.10, 259,327.17 and 52,964.28 is: 79,419.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,943.10 : 259,327.17 = 52,964.28 : x
  2. Step 2: Convert to fraction form
    172,943.10/259,327.17 = 52,964.28/x
  3. Step 3: Cross multiply
    172,943.10x = 259,327.17 × 52,964.28
  4. Step 4: Simplify right side
    172,943.10x = 13,735,076,843.49
  5. Step 5: Solve for x
    x = 13,735,076,843.49/172,943.10
  6. Step 6: Final answer
    x = 79,419.63

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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.