Home / 175,643.88-263,466-82,215.24

Finding the Fourth Proportional to 175,643.88, 263,466 and 82,215.24

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Solution

The fourth proportional to 175,643.88, 263,466 and 82,215.24 is: 123,322.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,643.88 : 263,466 = 82,215.24 : x
  2. Step 2: Convert to fraction form
    175,643.88/263,466 = 82,215.24/x
  3. Step 3: Cross multiply
    175,643.88x = 263,466 × 82,215.24
  4. Step 4: Simplify right side
    175,643.88x = 21,660,920,421.84
  5. Step 5: Solve for x
    x = 21,660,920,421.84/175,643.88
  6. Step 6: Final answer
    x = 123,322.94

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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.