Home / 135,818.88-203,775.84-52,771.20

Finding the Fourth Proportional to 135,818.88, 203,775.84 and 52,771.20

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Solution

The fourth proportional to 135,818.88, 203,775.84 and 52,771.20 is: 79,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,818.88 : 203,775.84 = 52,771.20 : x
  2. Step 2: Convert to fraction form
    135,818.88/203,775.84 = 52,771.20/x
  3. Step 3: Cross multiply
    135,818.88x = 203,775.84 × 52,771.20
  4. Step 4: Simplify right side
    135,818.88x = 10,753,495,607.81
  5. Step 5: Solve for x
    x = 10,753,495,607.81/135,818.88
  6. Step 6: Final answer
    x = 79,175.26

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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.