Home / 286,180.29-394,930.32-178,812.57

Finding the Fourth Proportional to 286,180.29, 394,930.32 and 178,812.57

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Solution

The fourth proportional to 286,180.29, 394,930.32 and 178,812.57 is: 246,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,180.29 : 394,930.32 = 178,812.57 : x
  2. Step 2: Convert to fraction form
    286,180.29/394,930.32 = 178,812.57/x
  3. Step 3: Cross multiply
    286,180.29x = 394,930.32 × 178,812.57
  4. Step 4: Simplify right side
    286,180.29x = 70,618,505,490.12
  5. Step 5: Solve for x
    x = 70,618,505,490.12/286,180.29
  6. Step 6: Final answer
    x = 246,762.30

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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.