Home / 135,575.00-203,321.43-40,780.02

Finding the Fourth Proportional to 135,575.00, 203,321.43 and 40,780.02

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Solution

The fourth proportional to 135,575.00, 203,321.43 and 40,780.02 is: 61,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,575.00 : 203,321.43 = 40,780.02 : x
  2. Step 2: Convert to fraction form
    135,575.00/203,321.43 = 40,780.02/x
  3. Step 3: Cross multiply
    135,575.00x = 203,321.43 × 40,780.02
  4. Step 4: Simplify right side
    135,575.00x = 8,291,451,981.83
  5. Step 5: Solve for x
    x = 8,291,451,981.83/135,575.00
  6. Step 6: Final answer
    x = 61,157.68

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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.