Home / 150,529.60-207,757.92-86,858.56

Finding the Fourth Proportional to 150,529.60, 207,757.92 and 86,858.56

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Solution

The fourth proportional to 150,529.60, 207,757.92 and 86,858.56 is: 119,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,529.60 : 207,757.92 = 86,858.56 : x
  2. Step 2: Convert to fraction form
    150,529.60/207,757.92 = 86,858.56/x
  3. Step 3: Cross multiply
    150,529.60x = 207,757.92 × 86,858.56
  4. Step 4: Simplify right side
    150,529.60x = 18,045,553,759.80
  5. Step 5: Solve for x
    x = 18,045,553,759.80/150,529.60
  6. Step 6: Final answer
    x = 119,880.43

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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.