Home / 331,923.15-457,975.21-188,671.92

Finding the Fourth Proportional to 331,923.15, 457,975.21 and 188,671.92

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Solution

The fourth proportional to 331,923.15, 457,975.21 and 188,671.92 is: 260,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,923.15 : 457,975.21 = 188,671.92 : x
  2. Step 2: Convert to fraction form
    331,923.15/457,975.21 = 188,671.92/x
  3. Step 3: Cross multiply
    331,923.15x = 457,975.21 × 188,671.92
  4. Step 4: Simplify right side
    331,923.15x = 86,407,062,183.10
  5. Step 5: Solve for x
    x = 86,407,062,183.10/331,923.15
  6. Step 6: Final answer
    x = 260,322.49

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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.