Home / 331,388.96-457,376.29-195,414.75

Finding the Fourth Proportional to 331,388.96, 457,376.29 and 195,414.75

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Solution

The fourth proportional to 331,388.96, 457,376.29 and 195,414.75 is: 269,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,388.96 : 457,376.29 = 195,414.75 : x
  2. Step 2: Convert to fraction form
    331,388.96/457,376.29 = 195,414.75/x
  3. Step 3: Cross multiply
    331,388.96x = 457,376.29 × 195,414.75
  4. Step 4: Simplify right side
    331,388.96x = 89,378,072,877.74
  5. Step 5: Solve for x
    x = 89,378,072,877.74/331,388.96
  6. Step 6: Final answer
    x = 269,707.46

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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.