Home / 202,625.57-279,621.99-111,986.78

Finding the Fourth Proportional to 202,625.57, 279,621.99 and 111,986.78

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Solution

The fourth proportional to 202,625.57, 279,621.99 and 111,986.78 is: 154,541.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,625.57 : 279,621.99 = 111,986.78 : x
  2. Step 2: Convert to fraction form
    202,625.57/279,621.99 = 111,986.78/x
  3. Step 3: Cross multiply
    202,625.57x = 279,621.99 × 111,986.78
  4. Step 4: Simplify right side
    202,625.57x = 31,313,964,879.18
  5. Step 5: Solve for x
    x = 31,313,964,879.18/202,625.57
  6. Step 6: Final answer
    x = 154,541.03

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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.