Home / 100,125.37-150,164.69-29,028.92

Finding the Fourth Proportional to 100,125.37, 150,164.69 and 29,028.92

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Solution

The fourth proportional to 100,125.37, 150,164.69 and 29,028.92 is: 43,536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,125.37 : 150,164.69 = 29,028.92 : x
  2. Step 2: Convert to fraction form
    100,125.37/150,164.69 = 29,028.92/x
  3. Step 3: Cross multiply
    100,125.37x = 150,164.69 × 29,028.92
  4. Step 4: Simplify right side
    100,125.37x = 4,359,119,371.93
  5. Step 5: Solve for x
    x = 4,359,119,371.93/100,125.37
  6. Step 6: Final answer
    x = 43,536.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.