Home / 150,269.54-207,371.96-86,611.43

Finding the Fourth Proportional to 150,269.54, 207,371.96 and 86,611.43

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Solution

The fourth proportional to 150,269.54, 207,371.96 and 86,611.43 is: 119,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,269.54 : 207,371.96 = 86,611.43 : x
  2. Step 2: Convert to fraction form
    150,269.54/207,371.96 = 86,611.43/x
  3. Step 3: Cross multiply
    150,269.54x = 207,371.96 × 86,611.43
  4. Step 4: Simplify right side
    150,269.54x = 17,960,782,082.88
  5. Step 5: Solve for x
    x = 17,960,782,082.88/150,269.54
  6. Step 6: Final answer
    x = 119,523.77

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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.