Home / 209,551.41-289,180.67-114,057.81

Finding the Fourth Proportional to 209,551.41, 289,180.67 and 114,057.81

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Solution

The fourth proportional to 209,551.41, 289,180.67 and 114,057.81 is: 157,399.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,551.41 : 289,180.67 = 114,057.81 : x
  2. Step 2: Convert to fraction form
    209,551.41/289,180.67 = 114,057.81/x
  3. Step 3: Cross multiply
    209,551.41x = 289,180.67 × 114,057.81
  4. Step 4: Simplify right side
    209,551.41x = 32,983,313,344.24
  5. Step 5: Solve for x
    x = 32,983,313,344.24/209,551.41
  6. Step 6: Final answer
    x = 157,399.62

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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.