Home / 204,710.06-307,237.62-86,466.26

Finding the Fourth Proportional to 204,710.06, 307,237.62 and 86,466.26

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Solution

The fourth proportional to 204,710.06, 307,237.62 and 86,466.26 is: 129,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,710.06 : 307,237.62 = 86,466.26 : x
  2. Step 2: Convert to fraction form
    204,710.06/307,237.62 = 86,466.26/x
  3. Step 3: Cross multiply
    204,710.06x = 307,237.62 × 86,466.26
  4. Step 4: Simplify right side
    204,710.06x = 26,565,687,932.70
  5. Step 5: Solve for x
    x = 26,565,687,932.70/204,710.06
  6. Step 6: Final answer
    x = 129,772.26

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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.