Home / 288,583.97-398,238.23-161,260.61

Finding the Fourth Proportional to 288,583.97, 398,238.23 and 161,260.61

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Solution

The fourth proportional to 288,583.97, 398,238.23 and 161,260.61 is: 222,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,583.97 : 398,238.23 = 161,260.61 : x
  2. Step 2: Convert to fraction form
    288,583.97/398,238.23 = 161,260.61/x
  3. Step 3: Cross multiply
    288,583.97x = 398,238.23 × 161,260.61
  4. Step 4: Simplify right side
    288,583.97x = 64,220,139,895.12
  5. Step 5: Solve for x
    x = 64,220,139,895.12/288,583.97
  6. Step 6: Final answer
    x = 222,535.37

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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.