Home / 330,631.64-456,276.66-185,469.60

Finding the Fourth Proportional to 330,631.64, 456,276.66 and 185,469.60

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Solution

The fourth proportional to 330,631.64, 456,276.66 and 185,469.60 is: 255,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,631.64 : 456,276.66 = 185,469.60 : x
  2. Step 2: Convert to fraction form
    330,631.64/456,276.66 = 185,469.60/x
  3. Step 3: Cross multiply
    330,631.64x = 456,276.66 × 185,469.60
  4. Step 4: Simplify right side
    330,631.64x = 84,625,449,619.54
  5. Step 5: Solve for x
    x = 84,625,449,619.54/330,631.64
  6. Step 6: Final answer
    x = 255,950.85

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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.