Home / 331,361.06-457,256.51-195,388.43

Finding the Fourth Proportional to 331,361.06, 457,256.51 and 195,388.43

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Solution

The fourth proportional to 331,361.06, 457,256.51 and 195,388.43 is: 269,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,361.06 : 457,256.51 = 195,388.43 : x
  2. Step 2: Convert to fraction form
    331,361.06/457,256.51 = 195,388.43/x
  3. Step 3: Cross multiply
    331,361.06x = 457,256.51 × 195,388.43
  4. Step 4: Simplify right side
    331,361.06x = 89,342,628,332.95
  5. Step 5: Solve for x
    x = 89,342,628,332.95/331,361.06
  6. Step 6: Final answer
    x = 269,623.20

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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.