Home / 220,667.10-330,741.45-102,087.96

Finding the Fourth Proportional to 220,667.10, 330,741.45 and 102,087.96

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Solution

The fourth proportional to 220,667.10, 330,741.45 and 102,087.96 is: 153,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,667.10 : 330,741.45 = 102,087.96 : x
  2. Step 2: Convert to fraction form
    220,667.10/330,741.45 = 102,087.96/x
  3. Step 3: Cross multiply
    220,667.10x = 330,741.45 × 102,087.96
  4. Step 4: Simplify right side
    220,667.10x = 33,764,719,917.94
  5. Step 5: Solve for x
    x = 33,764,719,917.94/220,667.10
  6. Step 6: Final answer
    x = 153,012.03

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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.