Home / 330,836.40-496,458.72-153,310.32

Finding the Fourth Proportional to 330,836.40, 496,458.72 and 153,310.32

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Solution

The fourth proportional to 330,836.40, 496,458.72 and 153,310.32 is: 230,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,836.40 : 496,458.72 = 153,310.32 : x
  2. Step 2: Convert to fraction form
    330,836.40/496,458.72 = 153,310.32/x
  3. Step 3: Cross multiply
    330,836.40x = 496,458.72 × 153,310.32
  4. Step 4: Simplify right side
    330,836.40x = 76,112,245,229.99
  5. Step 5: Solve for x
    x = 76,112,245,229.99/330,836.40
  6. Step 6: Final answer
    x = 230,060.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.