Home / 188,830.32-260,588.52-102,791.94

Finding the Fourth Proportional to 188,830.32, 260,588.52 and 102,791.94

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Solution

The fourth proportional to 188,830.32, 260,588.52 and 102,791.94 is: 141,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,830.32 : 260,588.52 = 102,791.94 : x
  2. Step 2: Convert to fraction form
    188,830.32/260,588.52 = 102,791.94/x
  3. Step 3: Cross multiply
    188,830.32x = 260,588.52 × 102,791.94
  4. Step 4: Simplify right side
    188,830.32x = 26,786,399,512.53
  5. Step 5: Solve for x
    x = 26,786,399,512.53/188,830.32
  6. Step 6: Final answer
    x = 141,854.34

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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.