Home / 135,983.34-203,749.20-83,282.04

Finding the Fourth Proportional to 135,983.34, 203,749.20 and 83,282.04

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Solution

The fourth proportional to 135,983.34, 203,749.20 and 83,282.04 is: 124,784.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,983.34 : 203,749.20 = 83,282.04 : x
  2. Step 2: Convert to fraction form
    135,983.34/203,749.20 = 83,282.04/x
  3. Step 3: Cross multiply
    135,983.34x = 203,749.20 × 83,282.04
  4. Step 4: Simplify right side
    135,983.34x = 16,968,649,024.37
  5. Step 5: Solve for x
    x = 16,968,649,024.37/135,983.34
  6. Step 6: Final answer
    x = 124,784.76

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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.