Home / 188,532.15-260,178.65-102,495.97

Finding the Fourth Proportional to 188,532.15, 260,178.65 and 102,495.97

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Solution

The fourth proportional to 188,532.15, 260,178.65 and 102,495.97 is: 141,446.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,532.15 : 260,178.65 = 102,495.97 : x
  2. Step 2: Convert to fraction form
    188,532.15/260,178.65 = 102,495.97/x
  3. Step 3: Cross multiply
    188,532.15x = 260,178.65 × 102,495.97
  4. Step 4: Simplify right side
    188,532.15x = 26,667,263,105.04
  5. Step 5: Solve for x
    x = 26,667,263,105.04/188,532.15
  6. Step 6: Final answer
    x = 141,446.77

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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.