Home / 143,212.63-214,917.56-49,718.38

Finding the Fourth Proportional to 143,212.63, 214,917.56 and 49,718.38

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Solution

The fourth proportional to 143,212.63, 214,917.56 and 49,718.38 is: 74,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,212.63 : 214,917.56 = 49,718.38 : x
  2. Step 2: Convert to fraction form
    143,212.63/214,917.56 = 49,718.38/x
  3. Step 3: Cross multiply
    143,212.63x = 214,917.56 × 49,718.38
  4. Step 4: Simplify right side
    143,212.63x = 10,685,352,916.75
  5. Step 5: Solve for x
    x = 10,685,352,916.75/143,212.63
  6. Step 6: Final answer
    x = 74,611.81

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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.