Home / 331,248.72-457,164.54-188,055.12

Finding the Fourth Proportional to 331,248.72, 457,164.54 and 188,055.12

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Solution

The fourth proportional to 331,248.72, 457,164.54 and 188,055.12 is: 259,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,248.72 : 457,164.54 = 188,055.12 : x
  2. Step 2: Convert to fraction form
    331,248.72/457,164.54 = 188,055.12/x
  3. Step 3: Cross multiply
    331,248.72x = 457,164.54 × 188,055.12
  4. Step 4: Simplify right side
    331,248.72x = 85,972,132,429.44
  5. Step 5: Solve for x
    x = 85,972,132,429.44/331,248.72
  6. Step 6: Final answer
    x = 259,539.52

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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.