Home / 446,376.21-669,569.78-130,839.48

Finding the Fourth Proportional to 446,376.21, 669,569.78 and 130,839.48

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Solution

The fourth proportional to 446,376.21, 669,569.78 and 130,839.48 is: 196,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,376.21 : 669,569.78 = 130,839.48 : x
  2. Step 2: Convert to fraction form
    446,376.21/669,569.78 = 130,839.48/x
  3. Step 3: Cross multiply
    446,376.21x = 669,569.78 × 130,839.48
  4. Step 4: Simplify right side
    446,376.21x = 87,606,161,184.72
  5. Step 5: Solve for x
    x = 87,606,161,184.72/446,376.21
  6. Step 6: Final answer
    x = 196,260.82

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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.