Home / 303,943.71-419,442.83-167,977.62

Finding the Fourth Proportional to 303,943.71, 419,442.83 and 167,977.62

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Solution

The fourth proportional to 303,943.71, 419,442.83 and 167,977.62 is: 231,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,943.71 : 419,442.83 = 167,977.62 : x
  2. Step 2: Convert to fraction form
    303,943.71/419,442.83 = 167,977.62/x
  3. Step 3: Cross multiply
    303,943.71x = 419,442.83 × 167,977.62
  4. Step 4: Simplify right side
    303,943.71x = 70,457,007,469.58
  5. Step 5: Solve for x
    x = 70,457,007,469.58/303,943.71
  6. Step 6: Final answer
    x = 231,809.39

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1.5x scale

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.