Home / 331,243.04-457,117.62-188,005.48

Finding the Fourth Proportional to 331,243.04, 457,117.62 and 188,005.48

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Solution

The fourth proportional to 331,243.04, 457,117.62 and 188,005.48 is: 259,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,243.04 : 457,117.62 = 188,005.48 : x
  2. Step 2: Convert to fraction form
    331,243.04/457,117.62 = 188,005.48/x
  3. Step 3: Cross multiply
    331,243.04x = 457,117.62 × 188,005.48
  4. Step 4: Simplify right side
    331,243.04x = 85,940,617,564.56
  5. Step 5: Solve for x
    x = 85,940,617,564.56/331,243.04
  6. Step 6: Final answer
    x = 259,448.83

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1.5x scale

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.