Home / 134,627.45-202,105.20-68,033.30

Finding the Fourth Proportional to 134,627.45, 202,105.20 and 68,033.30

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Solution

The fourth proportional to 134,627.45, 202,105.20 and 68,033.30 is: 102,132.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,627.45 : 202,105.20 = 68,033.30 : x
  2. Step 2: Convert to fraction form
    134,627.45/202,105.20 = 68,033.30/x
  3. Step 3: Cross multiply
    134,627.45x = 202,105.20 × 68,033.30
  4. Step 4: Simplify right side
    134,627.45x = 13,749,883,703.16
  5. Step 5: Solve for x
    x = 13,749,883,703.16/134,627.45
  6. Step 6: Final answer
    x = 102,132.84

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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.