Home / 103,219.20-154,840.80-33,105.60

Finding the Fourth Proportional to 103,219.20, 154,840.80 and 33,105.60

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Solution

The fourth proportional to 103,219.20, 154,840.80 and 33,105.60 is: 49,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,219.20 : 154,840.80 = 33,105.60 : x
  2. Step 2: Convert to fraction form
    103,219.20/154,840.80 = 33,105.60/x
  3. Step 3: Cross multiply
    103,219.20x = 154,840.80 × 33,105.60
  4. Step 4: Simplify right side
    103,219.20x = 5,126,097,588.48
  5. Step 5: Solve for x
    x = 5,126,097,588.48/103,219.20
  6. Step 6: Final answer
    x = 49,662.25

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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.