Home / 135,127.92-202,696-46,380.16

Finding the Fourth Proportional to 135,127.92, 202,696 and 46,380.16

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Solution

The fourth proportional to 135,127.92, 202,696 and 46,380.16 is: 69,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,127.92 : 202,696 = 46,380.16 : x
  2. Step 2: Convert to fraction form
    135,127.92/202,696 = 46,380.16/x
  3. Step 3: Cross multiply
    135,127.92x = 202,696 × 46,380.16
  4. Step 4: Simplify right side
    135,127.92x = 9,401,072,911.36
  5. Step 5: Solve for x
    x = 9,401,072,911.36/135,127.92
  6. Step 6: Final answer
    x = 69,571.65

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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.