Home / 119,943.20-179,936.40-49,829.60

Finding the Fourth Proportional to 119,943.20, 179,936.40 and 49,829.60

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Solution

The fourth proportional to 119,943.20, 179,936.40 and 49,829.60 is: 74,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,943.20 : 179,936.40 = 49,829.60 : x
  2. Step 2: Convert to fraction form
    119,943.20/179,936.40 = 49,829.60/x
  3. Step 3: Cross multiply
    119,943.20x = 179,936.40 × 49,829.60
  4. Step 4: Simplify right side
    119,943.20x = 8,966,158,837.44
  5. Step 5: Solve for x
    x = 8,966,158,837.44/119,943.20
  6. Step 6: Final answer
    x = 74,753.37

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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.