Home / 197,581.68-296,355.51-55,415.75

Finding the Fourth Proportional to 197,581.68, 296,355.51 and 55,415.75

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Solution

The fourth proportional to 197,581.68, 296,355.51 and 55,415.75 is: 83,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,581.68 : 296,355.51 = 55,415.75 : x
  2. Step 2: Convert to fraction form
    197,581.68/296,355.51 = 55,415.75/x
  3. Step 3: Cross multiply
    197,581.68x = 296,355.51 × 55,415.75
  4. Step 4: Simplify right side
    197,581.68x = 16,422,761,371.51
  5. Step 5: Solve for x
    x = 16,422,761,371.51/197,581.68
  6. Step 6: Final answer
    x = 83,118.85

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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.