Home / 209,484.05-313,668.38-143,053.92

Finding the Fourth Proportional to 209,484.05, 313,668.38 and 143,053.92

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Solution

The fourth proportional to 209,484.05, 313,668.38 and 143,053.92 is: 214,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,484.05 : 313,668.38 = 143,053.92 : x
  2. Step 2: Convert to fraction form
    209,484.05/313,668.38 = 143,053.92/x
  3. Step 3: Cross multiply
    209,484.05x = 313,668.38 × 143,053.92
  4. Step 4: Simplify right side
    209,484.05x = 44,871,491,696.68
  5. Step 5: Solve for x
    x = 44,871,491,696.68/209,484.05
  6. Step 6: Final answer
    x = 214,200.04

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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.