Home / 258,618.30-356,887.66-149,727.23

Finding the Fourth Proportional to 258,618.30, 356,887.66 and 149,727.23

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Solution

The fourth proportional to 258,618.30, 356,887.66 and 149,727.23 is: 206,620.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,618.30 : 356,887.66 = 149,727.23 : x
  2. Step 2: Convert to fraction form
    258,618.30/356,887.66 = 149,727.23/x
  3. Step 3: Cross multiply
    258,618.30x = 356,887.66 × 149,727.23
  4. Step 4: Simplify right side
    258,618.30x = 53,435,800,752.98
  5. Step 5: Solve for x
    x = 53,435,800,752.98/258,618.30
  6. Step 6: Final answer
    x = 206,620.34

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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.