Home / 329,286.48-493,590.78-129,525.96

Finding the Fourth Proportional to 329,286.48, 493,590.78 and 129,525.96

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Solution

The fourth proportional to 329,286.48, 493,590.78 and 129,525.96 is: 194,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,286.48 : 493,590.78 = 129,525.96 : x
  2. Step 2: Convert to fraction form
    329,286.48/493,590.78 = 129,525.96/x
  3. Step 3: Cross multiply
    329,286.48x = 493,590.78 × 129,525.96
  4. Step 4: Simplify right side
    329,286.48x = 63,932,819,626.65
  5. Step 5: Solve for x
    x = 63,932,819,626.65/329,286.48
  6. Step 6: Final answer
    x = 194,155.62

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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.