Home / 135,121.92-202,687-46,374.14

Finding the Fourth Proportional to 135,121.92, 202,687 and 46,374.14

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Solution

The fourth proportional to 135,121.92, 202,687 and 46,374.14 is: 69,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,121.92 : 202,687 = 46,374.14 : x
  2. Step 2: Convert to fraction form
    135,121.92/202,687 = 46,374.14/x
  3. Step 3: Cross multiply
    135,121.92x = 202,687 × 46,374.14
  4. Step 4: Simplify right side
    135,121.92x = 9,399,435,314.18
  5. Step 5: Solve for x
    x = 9,399,435,314.18/135,121.92
  6. Step 6: Final answer
    x = 69,562.62

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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.