Home / 117,512.20-176,202.78-38,620.36

Finding the Fourth Proportional to 117,512.20, 176,202.78 and 38,620.36

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Solution

The fourth proportional to 117,512.20, 176,202.78 and 38,620.36 is: 57,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,512.20 : 176,202.78 = 38,620.36 : x
  2. Step 2: Convert to fraction form
    117,512.20/176,202.78 = 38,620.36/x
  3. Step 3: Cross multiply
    117,512.20x = 176,202.78 × 38,620.36
  4. Step 4: Simplify right side
    117,512.20x = 6,805,014,796.60
  5. Step 5: Solve for x
    x = 6,805,014,796.60/117,512.20
  6. Step 6: Final answer
    x = 57,909.01

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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.