Home / 203,563.32-280,951.04-112,948.44

Finding the Fourth Proportional to 203,563.32, 280,951.04 and 112,948.44

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Solution

The fourth proportional to 203,563.32, 280,951.04 and 112,948.44 is: 155,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,563.32 : 280,951.04 = 112,948.44 : x
  2. Step 2: Convert to fraction form
    203,563.32/280,951.04 = 112,948.44/x
  3. Step 3: Cross multiply
    203,563.32x = 280,951.04 × 112,948.44
  4. Step 4: Simplify right side
    203,563.32x = 31,732,981,684.38
  5. Step 5: Solve for x
    x = 31,732,981,684.38/203,563.32
  6. Step 6: Final answer
    x = 155,887.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.