Home / 205,618.38-307,574.60-193,021.26

Finding the Fourth Proportional to 205,618.38, 307,574.60 and 193,021.26

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Solution

The fourth proportional to 205,618.38, 307,574.60 and 193,021.26 is: 288,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,618.38 : 307,574.60 = 193,021.26 : x
  2. Step 2: Convert to fraction form
    205,618.38/307,574.60 = 193,021.26/x
  3. Step 3: Cross multiply
    205,618.38x = 307,574.60 × 193,021.26
  4. Step 4: Simplify right side
    205,618.38x = 59,368,436,836.00
  5. Step 5: Solve for x
    x = 59,368,436,836.00/205,618.38
  6. Step 6: Final answer
    x = 288,731.18

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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.