Home / 205,620.38-307,577.60-193,023.26

Finding the Fourth Proportional to 205,620.38, 307,577.60 and 193,023.26

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Solution

The fourth proportional to 205,620.38, 307,577.60 and 193,023.26 is: 288,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,620.38 : 307,577.60 = 193,023.26 : x
  2. Step 2: Convert to fraction form
    205,620.38/307,577.60 = 193,023.26/x
  3. Step 3: Cross multiply
    205,620.38x = 307,577.60 × 193,023.26
  4. Step 4: Simplify right side
    205,620.38x = 59,369,631,054.98
  5. Step 5: Solve for x
    x = 59,369,631,054.98/205,620.38
  6. Step 6: Final answer
    x = 288,734.18

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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.