Home / 330,991.32-456,778.24-187,757.40

Finding the Fourth Proportional to 330,991.32, 456,778.24 and 187,757.40

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Solution

The fourth proportional to 330,991.32, 456,778.24 and 187,757.40 is: 259,111.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,991.32 : 456,778.24 = 187,757.40 : x
  2. Step 2: Convert to fraction form
    330,991.32/456,778.24 = 187,757.40/x
  3. Step 3: Cross multiply
    330,991.32x = 456,778.24 × 187,757.40
  4. Step 4: Simplify right side
    330,991.32x = 85,763,494,718.98
  5. Step 5: Solve for x
    x = 85,763,494,718.98/330,991.32
  6. Step 6: Final answer
    x = 259,111.01

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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.