Home / 331,452.28-457,388.40-188,193.52

Finding the Fourth Proportional to 331,452.28, 457,388.40 and 188,193.52

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Solution

The fourth proportional to 331,452.28, 457,388.40 and 188,193.52 is: 259,698.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,452.28 : 457,388.40 = 188,193.52 : x
  2. Step 2: Convert to fraction form
    331,452.28/457,388.40 = 188,193.52/x
  3. Step 3: Cross multiply
    331,452.28x = 457,388.40 × 188,193.52
  4. Step 4: Simplify right side
    331,452.28x = 86,077,533,003.17
  5. Step 5: Solve for x
    x = 86,077,533,003.17/331,452.28
  6. Step 6: Final answer
    x = 259,698.12

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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.