Home / 135,913.80-203,676.30-100,095.60

Finding the Fourth Proportional to 135,913.80, 203,676.30 and 100,095.60

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Solution

The fourth proportional to 135,913.80, 203,676.30 and 100,095.60 is: 150,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,913.80 : 203,676.30 = 100,095.60 : x
  2. Step 2: Convert to fraction form
    135,913.80/203,676.30 = 100,095.60/x
  3. Step 3: Cross multiply
    135,913.80x = 203,676.30 × 100,095.60
  4. Step 4: Simplify right side
    135,913.80x = 20,387,101,454.28
  5. Step 5: Solve for x
    x = 20,387,101,454.28/135,913.80
  6. Step 6: Final answer
    x = 150,000.23

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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.