Home / 203,613.80-303,767.38-192,591.32

Finding the Fourth Proportional to 203,613.80, 303,767.38 and 192,591.32

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Solution

The fourth proportional to 203,613.80, 303,767.38 and 192,591.32 is: 287,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,613.80 : 303,767.38 = 192,591.32 : x
  2. Step 2: Convert to fraction form
    203,613.80/303,767.38 = 192,591.32/x
  3. Step 3: Cross multiply
    203,613.80x = 303,767.38 × 192,591.32
  4. Step 4: Simplify right side
    203,613.80x = 58,502,958,686.83
  5. Step 5: Solve for x
    x = 58,502,958,686.83/203,613.80
  6. Step 6: Final answer
    x = 287,323.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.