Home / 135,591.60-203,385.24-42,097.44

Finding the Fourth Proportional to 135,591.60, 203,385.24 and 42,097.44

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Solution

The fourth proportional to 135,591.60, 203,385.24 and 42,097.44 is: 63,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,591.60 : 203,385.24 = 42,097.44 : x
  2. Step 2: Convert to fraction form
    135,591.60/203,385.24 = 42,097.44/x
  3. Step 3: Cross multiply
    135,591.60x = 203,385.24 × 42,097.44
  4. Step 4: Simplify right side
    135,591.60x = 8,561,997,937.79
  5. Step 5: Solve for x
    x = 8,561,997,937.79/135,591.60
  6. Step 6: Final answer
    x = 63,145.49

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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.