Home / 204,927.90-307,060.65-115,916.70

Finding the Fourth Proportional to 204,927.90, 307,060.65 and 115,916.70

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Solution

The fourth proportional to 204,927.90, 307,060.65 and 115,916.70 is: 173,687.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,927.90 : 307,060.65 = 115,916.70 : x
  2. Step 2: Convert to fraction form
    204,927.90/307,060.65 = 115,916.70/x
  3. Step 3: Cross multiply
    204,927.90x = 307,060.65 × 115,916.70
  4. Step 4: Simplify right side
    204,927.90x = 35,593,457,247.86
  5. Step 5: Solve for x
    x = 35,593,457,247.86/204,927.90
  6. Step 6: Final answer
    x = 173,687.71

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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.