Home / 236,010.22-325,692.30-128,579.92

Finding the Fourth Proportional to 236,010.22, 325,692.30 and 128,579.92

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Solution

The fourth proportional to 236,010.22, 325,692.30 and 128,579.92 is: 177,439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,010.22 : 325,692.30 = 128,579.92 : x
  2. Step 2: Convert to fraction form
    236,010.22/325,692.30 = 128,579.92/x
  3. Step 3: Cross multiply
    236,010.22x = 325,692.30 × 128,579.92
  4. Step 4: Simplify right side
    236,010.22x = 41,877,489,878.62
  5. Step 5: Solve for x
    x = 41,877,489,878.62/236,010.22
  6. Step 6: Final answer
    x = 177,439.31

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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.