Home / 330,190.32-455,684.42-185,007.74

Finding the Fourth Proportional to 330,190.32, 455,684.42 and 185,007.74

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Solution

The fourth proportional to 330,190.32, 455,684.42 and 185,007.74 is: 255,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,190.32 : 455,684.42 = 185,007.74 : x
  2. Step 2: Convert to fraction form
    330,190.32/455,684.42 = 185,007.74/x
  3. Step 3: Cross multiply
    330,190.32x = 455,684.42 × 185,007.74
  4. Step 4: Simplify right side
    330,190.32x = 84,305,143,772.37
  5. Step 5: Solve for x
    x = 84,305,143,772.37/330,190.32
  6. Step 6: Final answer
    x = 255,322.88

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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.