Home / 188,938.52-260,731.23-102,898.44

Finding the Fourth Proportional to 188,938.52, 260,731.23 and 102,898.44

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Solution

The fourth proportional to 188,938.52, 260,731.23 and 102,898.44 is: 141,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,938.52 : 260,731.23 = 102,898.44 : x
  2. Step 2: Convert to fraction form
    188,938.52/260,731.23 = 102,898.44/x
  3. Step 3: Cross multiply
    188,938.52x = 260,731.23 × 102,898.44
  4. Step 4: Simplify right side
    188,938.52x = 26,828,836,826.28
  5. Step 5: Solve for x
    x = 26,828,836,826.28/188,938.52
  6. Step 6: Final answer
    x = 141,997.71

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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.