Home / 204,798.18-307,257.74-105,028.26

Finding the Fourth Proportional to 204,798.18, 307,257.74 and 105,028.26

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Solution

The fourth proportional to 204,798.18, 307,257.74 and 105,028.26 is: 157,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,798.18 : 307,257.74 = 105,028.26 : x
  2. Step 2: Convert to fraction form
    204,798.18/307,257.74 = 105,028.26/x
  3. Step 3: Cross multiply
    204,798.18x = 307,257.74 × 105,028.26
  4. Step 4: Simplify right side
    204,798.18x = 32,270,745,803.73
  5. Step 5: Solve for x
    x = 32,270,745,803.73/204,798.18
  6. Step 6: Final answer
    x = 157,573.40

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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.