Home / 220,187.60-303,847.56-119,585.36

Finding the Fourth Proportional to 220,187.60, 303,847.56 and 119,585.36

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Solution

The fourth proportional to 220,187.60, 303,847.56 and 119,585.36 is: 165,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,187.60 : 303,847.56 = 119,585.36 : x
  2. Step 2: Convert to fraction form
    220,187.60/303,847.56 = 119,585.36/x
  3. Step 3: Cross multiply
    220,187.60x = 303,847.56 × 119,585.36
  4. Step 4: Simplify right side
    220,187.60x = 36,335,719,847.72
  5. Step 5: Solve for x
    x = 36,335,719,847.72/220,187.60
  6. Step 6: Final answer
    x = 165,021.64

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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.