Home / 204,029.40-305,898.30-91,617.60

Finding the Fourth Proportional to 204,029.40, 305,898.30 and 91,617.60

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Solution

The fourth proportional to 204,029.40, 305,898.30 and 91,617.60 is: 137,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,029.40 : 305,898.30 = 91,617.60 : x
  2. Step 2: Convert to fraction form
    204,029.40/305,898.30 = 91,617.60/x
  3. Step 3: Cross multiply
    204,029.40x = 305,898.30 × 91,617.60
  4. Step 4: Simplify right side
    204,029.40x = 28,025,668,090.08
  5. Step 5: Solve for x
    x = 28,025,668,090.08/204,029.40
  6. Step 6: Final answer
    x = 137,360.93

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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.