Home / 331,355.06-457,248.23-195,382.43

Finding the Fourth Proportional to 331,355.06, 457,248.23 and 195,382.43

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Solution

The fourth proportional to 331,355.06, 457,248.23 and 195,382.43 is: 269,614.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,355.06 : 457,248.23 = 195,382.43 : x
  2. Step 2: Convert to fraction form
    331,355.06/457,248.23 = 195,382.43/x
  3. Step 3: Cross multiply
    331,355.06x = 457,248.23 × 195,382.43
  4. Step 4: Simplify right side
    331,355.06x = 89,338,267,027.45
  5. Step 5: Solve for x
    x = 89,338,267,027.45/331,355.06
  6. Step 6: Final answer
    x = 269,614.92

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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.