Home / 257,944.44-386,051.94-189,185.16

Finding the Fourth Proportional to 257,944.44, 386,051.94 and 189,185.16

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Solution

The fourth proportional to 257,944.44, 386,051.94 and 189,185.16 is: 283,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,944.44 : 386,051.94 = 189,185.16 : x
  2. Step 2: Convert to fraction form
    257,944.44/386,051.94 = 189,185.16/x
  3. Step 3: Cross multiply
    257,944.44x = 386,051.94 × 189,185.16
  4. Step 4: Simplify right side
    257,944.44x = 73,035,298,037.21
  5. Step 5: Solve for x
    x = 73,035,298,037.21/257,944.44
  6. Step 6: Final answer
    x = 283,143.53

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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.