Home / 239,241.87-330,154.68-131,809.59

Finding the Fourth Proportional to 239,241.87, 330,154.68 and 131,809.59

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Solution

The fourth proportional to 239,241.87, 330,154.68 and 131,809.59 is: 181,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,241.87 : 330,154.68 = 131,809.59 : x
  2. Step 2: Convert to fraction form
    239,241.87/330,154.68 = 131,809.59/x
  3. Step 3: Cross multiply
    239,241.87x = 330,154.68 × 131,809.59
  4. Step 4: Simplify right side
    239,241.87x = 43,517,553,007.38
  5. Step 5: Solve for x
    x = 43,517,553,007.38/239,241.87
  6. Step 6: Final answer
    x = 181,897.73

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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.