Home / 446,489.04-669,738.78-130,952.28

Finding the Fourth Proportional to 446,489.04, 669,738.78 and 130,952.28

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Solution

The fourth proportional to 446,489.04, 669,738.78 and 130,952.28 is: 196,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,489.04 : 669,738.78 = 130,952.28 : x
  2. Step 2: Convert to fraction form
    446,489.04/669,738.78 = 130,952.28/x
  3. Step 3: Cross multiply
    446,489.04x = 669,738.78 × 130,952.28
  4. Step 4: Simplify right side
    446,489.04x = 87,703,820,245.42
  5. Step 5: Solve for x
    x = 87,703,820,245.42/446,489.04
  6. Step 6: Final answer
    x = 196,429.95

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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.