Home / 136,016.45-204,024.68-102,838.85

Finding the Fourth Proportional to 136,016.45, 204,024.68 and 102,838.85

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Solution

The fourth proportional to 136,016.45, 204,024.68 and 102,838.85 is: 154,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,016.45 : 204,024.68 = 102,838.85 : x
  2. Step 2: Convert to fraction form
    136,016.45/204,024.68 = 102,838.85/x
  3. Step 3: Cross multiply
    136,016.45x = 204,024.68 × 102,838.85
  4. Step 4: Simplify right side
    136,016.45x = 20,981,662,948.62
  5. Step 5: Solve for x
    x = 20,981,662,948.62/136,016.45
  6. Step 6: Final answer
    x = 154,258.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.