Home / 202,582.38-279,230.27-143,665.51

Finding the Fourth Proportional to 202,582.38, 279,230.27 and 143,665.51

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Solution

The fourth proportional to 202,582.38, 279,230.27 and 143,665.51 is: 198,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,582.38 : 279,230.27 = 143,665.51 : x
  2. Step 2: Convert to fraction form
    202,582.38/279,230.27 = 143,665.51/x
  3. Step 3: Cross multiply
    202,582.38x = 279,230.27 × 143,665.51
  4. Step 4: Simplify right side
    202,582.38x = 40,115,759,146.99
  5. Step 5: Solve for x
    x = 40,115,759,146.99/202,582.38
  6. Step 6: Final answer
    x = 198,021.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.