Home / 175,857.10-263,822.56-57,519.20

Finding the Fourth Proportional to 175,857.10, 263,822.56 and 57,519.20

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Solution

The fourth proportional to 175,857.10, 263,822.56 and 57,519.20 is: 86,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,857.10 : 263,822.56 = 57,519.20 : x
  2. Step 2: Convert to fraction form
    175,857.10/263,822.56 = 57,519.20/x
  3. Step 3: Cross multiply
    175,857.10x = 263,822.56 × 57,519.20
  4. Step 4: Simplify right side
    175,857.10x = 15,174,863,108.91
  5. Step 5: Solve for x
    x = 15,174,863,108.91/175,857.10
  6. Step 6: Final answer
    x = 86,290.88

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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.