Home / 330,190.82-455,685.11-185,008.24

Finding the Fourth Proportional to 330,190.82, 455,685.11 and 185,008.24

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Solution

The fourth proportional to 330,190.82, 455,685.11 and 185,008.24 is: 255,323.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,190.82 : 455,685.11 = 185,008.24 : x
  2. Step 2: Convert to fraction form
    330,190.82/455,685.11 = 185,008.24/x
  3. Step 3: Cross multiply
    330,190.82x = 455,685.11 × 185,008.24
  4. Step 4: Simplify right side
    330,190.82x = 84,305,500,195.31
  5. Step 5: Solve for x
    x = 84,305,500,195.31/330,190.82
  6. Step 6: Final answer
    x = 255,323.57

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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.