Home / 331,448.93-457,383.30-188,205.90

Finding the Fourth Proportional to 331,448.93, 457,383.30 and 188,205.90

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Solution

The fourth proportional to 331,448.93, 457,383.30 and 188,205.90 is: 259,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,448.93 : 457,383.30 = 188,205.90 : x
  2. Step 2: Convert to fraction form
    331,448.93/457,383.30 = 188,205.90/x
  3. Step 3: Cross multiply
    331,448.93x = 457,383.30 × 188,205.90
  4. Step 4: Simplify right side
    331,448.93x = 86,082,235,621.47
  5. Step 5: Solve for x
    x = 86,082,235,621.47/331,448.93
  6. Step 6: Final answer
    x = 259,714.93

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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.