Home / 239,285.60-330,198.59-131,855.64

Finding the Fourth Proportional to 239,285.60, 330,198.59 and 131,855.64

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Solution

The fourth proportional to 239,285.60, 330,198.59 and 131,855.64 is: 181,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,285.60 : 330,198.59 = 131,855.64 : x
  2. Step 2: Convert to fraction form
    239,285.60/330,198.59 = 131,855.64/x
  3. Step 3: Cross multiply
    239,285.60x = 330,198.59 × 131,855.64
  4. Step 4: Simplify right side
    239,285.60x = 43,538,545,596.05
  5. Step 5: Solve for x
    x = 43,538,545,596.05/239,285.60
  6. Step 6: Final answer
    x = 181,952.21

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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.