Home / 135,505.34-203,225.33-56,576.78

Finding the Fourth Proportional to 135,505.34, 203,225.33 and 56,576.78

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Solution

The fourth proportional to 135,505.34, 203,225.33 and 56,576.78 is: 84,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,505.34 : 203,225.33 = 56,576.78 : x
  2. Step 2: Convert to fraction form
    135,505.34/203,225.33 = 56,576.78/x
  3. Step 3: Cross multiply
    135,505.34x = 203,225.33 × 56,576.78
  4. Step 4: Simplify right side
    135,505.34x = 11,497,833,911.15
  5. Step 5: Solve for x
    x = 11,497,833,911.15/135,505.34
  6. Step 6: Final answer
    x = 84,851.52

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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.