Home / 236,122.56-325,849.38-128,692.68

Finding the Fourth Proportional to 236,122.56, 325,849.38 and 128,692.68

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Solution

The fourth proportional to 236,122.56, 325,849.38 and 128,692.68 is: 177,596.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,122.56 : 325,849.38 = 128,692.68 : x
  2. Step 2: Convert to fraction form
    236,122.56/325,849.38 = 128,692.68/x
  3. Step 3: Cross multiply
    236,122.56x = 325,849.38 × 128,692.68
  4. Step 4: Simplify right side
    236,122.56x = 41,934,429,988.54
  5. Step 5: Solve for x
    x = 41,934,429,988.54/236,122.56
  6. Step 6: Final answer
    x = 177,596.03

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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.