Home / 220,164.45-303,919.97-148,641.36

Finding the Fourth Proportional to 220,164.45, 303,919.97 and 148,641.36

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Solution

The fourth proportional to 220,164.45, 303,919.97 and 148,641.36 is: 205,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,164.45 : 303,919.97 = 148,641.36 : x
  2. Step 2: Convert to fraction form
    220,164.45/303,919.97 = 148,641.36/x
  3. Step 3: Cross multiply
    220,164.45x = 303,919.97 × 148,641.36
  4. Step 4: Simplify right side
    220,164.45x = 45,175,076,928.75
  5. Step 5: Solve for x
    x = 45,175,076,928.75/220,164.45
  6. Step 6: Final answer
    x = 205,187.88

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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.