Home / 166,639.50-229,967.04-102,107.58

Finding the Fourth Proportional to 166,639.50, 229,967.04 and 102,107.58

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Solution

The fourth proportional to 166,639.50, 229,967.04 and 102,107.58 is: 140,911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,639.50 : 229,967.04 = 102,107.58 : x
  2. Step 2: Convert to fraction form
    166,639.50/229,967.04 = 102,107.58/x
  3. Step 3: Cross multiply
    166,639.50x = 229,967.04 × 102,107.58
  4. Step 4: Simplify right side
    166,639.50x = 23,481,377,934.16
  5. Step 5: Solve for x
    x = 23,481,377,934.16/166,639.50
  6. Step 6: Final answer
    x = 140,911.24

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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.