Home / 150,262.80-207,356.26-82,278.56

Finding the Fourth Proportional to 150,262.80, 207,356.26 and 82,278.56

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Solution

The fourth proportional to 150,262.80, 207,356.26 and 82,278.56 is: 113,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,262.80 : 207,356.26 = 82,278.56 : x
  2. Step 2: Convert to fraction form
    150,262.80/207,356.26 = 82,278.56/x
  3. Step 3: Cross multiply
    150,262.80x = 207,356.26 × 82,278.56
  4. Step 4: Simplify right side
    150,262.80x = 17,060,974,479.79
  5. Step 5: Solve for x
    x = 17,060,974,479.79/150,262.80
  6. Step 6: Final answer
    x = 113,540.91

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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.