Home / 150,193.53-225,315.18-71,264.70

Finding the Fourth Proportional to 150,193.53, 225,315.18 and 71,264.70

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Solution

The fourth proportional to 150,193.53, 225,315.18 and 71,264.70 is: 106,908.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,193.53 : 225,315.18 = 71,264.70 : x
  2. Step 2: Convert to fraction form
    150,193.53/225,315.18 = 71,264.70/x
  3. Step 3: Cross multiply
    150,193.53x = 225,315.18 × 71,264.70
  4. Step 4: Simplify right side
    150,193.53x = 16,057,018,708.15
  5. Step 5: Solve for x
    x = 16,057,018,708.15/150,193.53
  6. Step 6: Final answer
    x = 106,908.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.