Home / 135,044.20-202,442.46-51,875.56

Finding the Fourth Proportional to 135,044.20, 202,442.46 and 51,875.56

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Solution

The fourth proportional to 135,044.20, 202,442.46 and 51,875.56 is: 77,765.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,044.20 : 202,442.46 = 51,875.56 : x
  2. Step 2: Convert to fraction form
    135,044.20/202,442.46 = 51,875.56/x
  3. Step 3: Cross multiply
    135,044.20x = 202,442.46 × 51,875.56
  4. Step 4: Simplify right side
    135,044.20x = 10,501,815,980.28
  5. Step 5: Solve for x
    x = 10,501,815,980.28/135,044.20
  6. Step 6: Final answer
    x = 77,765.77

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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.