Home / 188,827.79-260,585.67-102,789.24

Finding the Fourth Proportional to 188,827.79, 260,585.67 and 102,789.24

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Solution

The fourth proportional to 188,827.79, 260,585.67 and 102,789.24 is: 141,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,827.79 : 260,585.67 = 102,789.24 : x
  2. Step 2: Convert to fraction form
    188,827.79/260,585.67 = 102,789.24/x
  3. Step 3: Cross multiply
    188,827.79x = 260,585.67 × 102,789.24
  4. Step 4: Simplify right side
    188,827.79x = 26,785,403,951.39
  5. Step 5: Solve for x
    x = 26,785,403,951.39/188,827.79
  6. Step 6: Final answer
    x = 141,850.96

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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.