Home / 166,865.12-230,089.38-106,339.94

Finding the Fourth Proportional to 166,865.12, 230,089.38 and 106,339.94

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Solution

The fourth proportional to 166,865.12, 230,089.38 and 106,339.94 is: 146,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,865.12 : 230,089.38 = 106,339.94 : x
  2. Step 2: Convert to fraction form
    166,865.12/230,089.38 = 106,339.94/x
  3. Step 3: Cross multiply
    166,865.12x = 230,089.38 × 106,339.94
  4. Step 4: Simplify right side
    166,865.12x = 24,467,690,863.84
  5. Step 5: Solve for x
    x = 24,467,690,863.84/166,865.12
  6. Step 6: Final answer
    x = 146,631.55

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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.