Home / 146,609.82-202,340.63-82,103.65

Finding the Fourth Proportional to 146,609.82, 202,340.63 and 82,103.65

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Solution

The fourth proportional to 146,609.82, 202,340.63 and 82,103.65 is: 113,313.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,609.82 : 202,340.63 = 82,103.65 : x
  2. Step 2: Convert to fraction form
    146,609.82/202,340.63 = 82,103.65/x
  3. Step 3: Cross multiply
    146,609.82x = 202,340.63 × 82,103.65
  4. Step 4: Simplify right side
    146,609.82x = 16,612,903,965.71
  5. Step 5: Solve for x
    x = 16,612,903,965.71/146,609.82
  6. Step 6: Final answer
    x = 113,313.72

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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.