Home / 156,793.90-235,093.65-90,201.10

Finding the Fourth Proportional to 156,793.90, 235,093.65 and 90,201.10

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Solution

The fourth proportional to 156,793.90, 235,093.65 and 90,201.10 is: 135,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,793.90 : 235,093.65 = 90,201.10 : x
  2. Step 2: Convert to fraction form
    156,793.90/235,093.65 = 90,201.10/x
  3. Step 3: Cross multiply
    156,793.90x = 235,093.65 × 90,201.10
  4. Step 4: Simplify right side
    156,793.90x = 21,205,705,833.02
  5. Step 5: Solve for x
    x = 21,205,705,833.02/156,793.90
  6. Step 6: Final answer
    x = 135,245.73

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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.