Home / 175,564.20-263,519.10-86,917.80

Finding the Fourth Proportional to 175,564.20, 263,519.10 and 86,917.80

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Solution

The fourth proportional to 175,564.20, 263,519.10 and 86,917.80 is: 130,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,564.20 : 263,519.10 = 86,917.80 : x
  2. Step 2: Convert to fraction form
    175,564.20/263,519.10 = 86,917.80/x
  3. Step 3: Cross multiply
    175,564.20x = 263,519.10 × 86,917.80
  4. Step 4: Simplify right side
    175,564.20x = 22,904,500,429.98
  5. Step 5: Solve for x
    x = 22,904,500,429.98/175,564.20
  6. Step 6: Final answer
    x = 130,462.25

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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.